Wednesday, November 30, 2011
Metabolic defects in mice
Summary; A study has revealed that immature neurtrons that are taken form healty mouse embryos can repair damaged brain circuitry and partially normalize metabolism when they are inserted into adult mice who have grown morbidly obese from a genetic deficiency. This is just one step down a long road to neuronal replacement therapy which is hoped to be able one day to repair brains that have been injured by trauma and disease.
Critique: I like it
British butterfly is evolving to respond to climate change
Summary: As global temperatures rise and climatic zones move polewards, species will need to find different environments to prevent extinction. New research, published today in the journal Molecular Ecology, has revealed that climate change is causing certain species to move and adapt to a range of new habitats.The study, led by academics at the Universities of Bristol and Sheffield, aimed to understand the role of evolution in helping a species to successfully track ongoing climate change.With climate warming many species are moving further north in the UK, however, this may mean crossing a landscape with increasingly less of their preferred habitat. Evolutionary change in the ability to use geographically widespread habitats or increased ability to move longer distances can help species to track the warming climate and move northwards.The Brown Argus butterfly is successfully expanding its distribution northwards in the UK and uses a range of distinct habitats. Using genetic techniques to detect evolutionary change, the researchers were able to show that the colonisation of new sites further north by the Brown Argus has involved significant adaptation during or following colonisation.
Impact: This may convince people to believe in evolution.
Critic: This article confirmed my belief in global warming.
Reference: http://www.biologynews.net/archives/2011/11/30/british_butterfly_is_evolving_to_respond_to_climate_change.html
Athsma and its causes
Summary: The number of people with athsma has increased over the past few years. The most common causes are: Heredity, Living in urban areas, Frequent respitory infections, Regualar exposure to secondhand smoke, Low birth weight, Reflux or GERD, Being around areas with a lot of vehicle traffic, Obesity or being overweight, Being african-american or puerto rican, Being male (in adulthood women more women have it), Living in the Northeast, or poverty.
Critique: I have athsma, most likely caused by heredity (my mom has it too.) However it has gotten much better over the years and I haven't had an "athsma attack" in a very long time. I wonder why??
Impact: People still don't know why athsma is increasing steadily, but we now know the causes:)
Artery-Clogging News! :)
Summary: "Unhealthy habits are contagious". This is a quote from the article, proposing that living next to obese people can increase the chance of yuou gaining weight. Also, if you live in a poorer area, you are more at risk of being obese. Alot of factors in our lives depend on our enviroments. If we have no access to fresh produce, that could affect us in a harmful way. Even moving to a nicer neighborhood can lower the chance of obesity. The top 8 "artery- clogging" as CNN called it, cities are:
1. Detroit, MI
2.Fort Wayne, IN
3. Lubbock, TX
4. New Orleans, LA
5. Dallas, TX
6.Baton Rouge, LA
7. Tulsa, OK
8. Louisville, KY
Critique: I'm just glad Phoenix isn't on that list:) I had no clue that who you live next to affects you.... Man, but my neighbors are weird! Haha Just Kidding........
Impact: Well, those cities are obviously impacted by this news. They probably had no idea their ateroies were clogged. :)
Tuesday, November 29, 2011
Worlds smallest snake.
Summary; The worlds smallest snake, with adults averaging to be only four inches long was found in the island of Barbados which is located in the Caribbean. The snake is really small it is only as wide as a spaghetti noodle and can fit comfortably on a quarter. The snake was discovered by Blair Hedges, an evolutionary biologist at Penn State University. He and his colleagues are also the discoverers of the worlds smallest frog, and the worlds smallest lizard. He found the snake in a forest fragment in the easteren part of Barbados. He says the species is rare because its habitat is being replaced by buildings and roadways. "Habitat destruction is a major threat to the biodiversity throughout the world" Hedges says.
Critique; I think it is really cool how small the worlds smallest snake is!
Impact; I hope this will show that we should not destroy habitats or forests!
!
Animals that can live in space?!
Summary; Water bears are the first animals in the world to survive the vacuum and radiation of space. Ecologist Ingemar Jönsson sent 3,000 microscopic water bears on a 12 day space trip. He did this to find out more about the basic physiology of the water bears by seeing if they could survive in the space enviorment. The next thing he is going to do is to try to umderstand the mechanisms behind the tolerence in the water bears.
Critique; I really like this article it is really interesting!
Impact; I think in 20 years humans will be able to live in space without a spacesuit!
Counting molecules.
Summary; Researchers at the Swedish medical university Karolinska Institutet have figured out a new method for counting molecules. Quantifying the number of different kinds of RNA and DNA molecules is a really daunting task in molecular biology as the molecules stores and transfers the data in the cells. This has improved measuring techniques which are important in understanding normal and cancer cells.
Critique; I really like this article.
Impact; I think in 20 years this will help us in finding a cure for cancer!
Guppy love
http://www.biologynews.net/archives/2011/11/25/they_call_it_guppy_love_ucla_biologists_solve_an_evolution_mystery.html
Summary; Guppies have evolved over half a million years. The male coloration has changed alot. But still they have an orange patch on their skin. It stayed orange because the female guppies prefer the orange over any other color. The reason that the patch has stayed orange is because if they changed color the female guppies could not want to mate with the males which would cause the guppies to die out.
Critique; I like this article it is really cool to read about this.
Impact; I think that in the distant future guppies will still have the orange patch on there skin.
Scientists determine how antibody recognizes key sugars on HIV surface.
Summary; HIV is coated in sugars that hide the virus from the immune system. The study was led by Peter D. Kwong, Ph.D. He is the chief of the Structural Biology Section of the Vaccine Research Center at the National Institute of Allergy and Infectious Diseases (NIAID), part of the National Institutes of Health. People who have been infected with the HIV virus for several years can begin to make antibodies that neutralize wide ranges of the virus strains. These antibodies bind to one of four spots on the virus. One site is involved with sugar at a spot called the amino acid residue 160 (the building blocks for sugar is amino acids.) The sugar is located on the spikes that poke out of the HIV virus's surface.
Critique; I think this is a huge step for science and helping with the HIV virus.
Impact; I think in 10 years we will have a cure for all diseases.
BACON....
Monday, November 28, 2011
Technology Improvement
Pros and Cons
Pros- Life will be easier for most people, communication and staying in touch will be easier. Less deaths from car accidents, etc.
Cons- More unhealthy and fatter people, weaker immune systems and all around weaker bodies
with development of weapons technology the world will be in constant threat of extinction and radioactive fallout. If we were to develop such weapons we could potentially make the world uninhabitable.
Impact- In twenty five years if something isnt done about technology and the way we depend upon it, future generations will suffer the consequences. Humans will eventually be so unhealthy that our bodies will not be able to function resulting in death and
Aids and HPV
Pros and Cons
Pros- we can all have lots of fun.
Cons- Decreasing amount of humans. More infant deaths at a young age. Possible mutation in the Gene Pool resulting in a massive death count.
The impact in 25 years may not be so bad. Just a slight decrease in population. But further into the future possible Genetic Mutation and massive population decrease.
Stress harmful effects physical and mental
Stress the pros and cons
Pros: helps you beat procrastination, and improve your performance at work or school.
Cons: memory loss, trouble focusing, physical weakness and emotional break down.
The impact is very bad. Teens may turn to drugs, alcohol ect. resulting in shorter lives for a number of reasons. Unfortunately stress can result in suicide. we need to do something about the negative stress before it does something about us.
How To Fight The Cold
Reference: http://health.yahoo.net/articles/healthcare/photos/how-to-prevent-a-cold#10
Summary: As soon as you start to feel symptoms of having a cold, start drinking water or juice. You should also gargle with salt water because it reduces the inflammation in the back of your throat. Also, keep your nose clean by spraying it. Within the first two hours of starting to feel the symptoms, head to the drug store, have two tablespoons of honey straight up or in tea. Over the next six hours, skip work if you can, stay hydrated, light exercise if your up for it. At the end of the day, eat a healthy dinner to fuel immune system, and the net day you should feel better, but if not then call your doctor!
Critique: I think that these steps would definitely help with the cold before you get a cold.
Impact: The impacts these steps have are positive because they would, hopefully, keep you from getting sick8 Spices That Will Help You Stay Healthy
Reference: http://shine.yahoo.com/vitality/8-world-8217-healthiest-spices-38-herbs-eating-150600515.html
Summary: There are 8 species that you should be eating. They are healthy and will help you stay healthy. They are chili peppers because they will help you boost your metabolism. Another one spice is ginger because it may help you soothe an upset stomach, and fight artistic pain. Cinnamon may help stabilize your blood sugar, which is why you should eat it. Another spice that may help you is turmeric, which may quell inflammation and inhibit tumors. Saffron may help lift your mood; parsley may help inhibit breast cancer-cell growth, sage may help you preserve memory and soothe soar throats, and rosemary may help enhance mental focus and fight foodborne bacteria.
Critique: I think more people should eat these spices because they my enhance your health and keep you healthy. I will say however, I would not have expected those spices to be able to do all those things to help you stay healthy.
Impact: The impact these spices have on the earth is very positive because they help to be healthy and live longer.
Snail
Reference: http://en.wikipedia.org/wiki/Snail
Summary: There are three types of snails by habitat, land snail, sea snail, and freshwater snail. Land snails have a shell in their adult stage. The Giant African land snail can be 15 inches from nose to tail and about 1 kilogram. The sea snail Syrinx aruanus can get to be 35 inches and 18 kg. Snails are full of protein and that’s why people like to eat them.
Critique: My thoughts on snails are not negative; I’ve never had a bad incident with them. They don’t affect me, but I know they affect the world around be.
Impact: The Impact a snail has on the world is neutral and positive because they don’t affect the world other than in the food chainAlzheimer's damage reversed by deep brain stimulation
Reference: http://www.newscientist.com/article/mg21228404.500-alzheimers-damage-reversed-by-deep-brain-stimulation.html
Summary: Shrinkage of the brain can be reversed with people with Alzheimer’s disease by jolting the degenerating tissue with electrical impulses. More than that, doing this reduces physical downfall associated with the disease. Andres Lozaho at Toronto western hospital in Ontario and his team put electrodes into the brains of six people, who had been diagnosed with Alzheimer’s disease at least a year earlier. They paced them next to the fornix, which is a bundle of newtons that carries signals to and from hippocampus. Then, they delivered tiny pulses of electricity 130 times a second. Later tests showed that the reduced use of glucose by the temporal lobe and posterior had been reversed in all six people.
Critique: I think that this was very good because it is a cure for Alzheimer’s. More people get to live longer.
Impact: The impact this has on the world is very positive because more people are surviving and living longer.
Coffee for the body
Positives And Negatives
Positives include, more energy for a certain amount of time, stress relief, and nerve calming decaf.
Negatives include, fake energy making the body tired and sleepless at the same time, mind exhaustion, and addiction to caffeine. Fun Fact: caffeine can be as addictive as any other drug you can think of.
The impact of this is simple in a few years if coffee continues to grow in popularity, many people will have strong addictions and weaker minds. that effects the human race greatly.
First Dogs Came from East Asia
Resource:
http://www.sciencedaily.com/releases/2011/11/111123132937.htm
Summary:
Dogs have been man's companion since the beginning of the human race. What many don't know is that they're actually descended from wolfs. Researchers and scientists have known that but have been curious as to what region they were domesticated. New research from Sweden’s KTH Royal Institute found that the earliest evidence of domestication was located in a region south of the Yangtze River in Asia, southern China.
Critique:
It’s very interesting that dogs are a distant cousin to wolves. It’s ironic that the area that started domesticating dogs now eats them and finds them as a delicacy.
Impact:
I think this discovery will help researchers to better understand domestication of other animals and where it originated.
Nowadays everything is for the most part on it’s way to being eco friendly and reusable and recyclable. If you look around on the internet or talk with friends you can find uses for almost anything that’s eco-friendly. Coffee is one of those magical things that has universal uses. Coffee makes a air freshener for everything from your car to fridge. By simply saving your coffee grounds and putting them in small containers you can freshen up any smelly area. Coffee grounds can also be used in gardening. By sprinkling the grounds on the garden you are helping plants grow healthy and strong and as an added bonus, keeping unwanted critters like ants and cats out of your garden.
Impact: Finally people are understanding what it means to be eco-friendly and are also finding safe ways to reuse their products. I hope lots and lots of people learn this trick and start helping the planet heal its self one step at a time.
Coffee uses
When people think of coffee, the first thing that comes to mind is the early morning. After someone has finished their early morning cup of coffee, the old coffee grounds end up in the garbage, but why waste something that has so many good uses. There are many ways to use your old coffee grounds instead of just throwing them away. Coffee grounds are known for their cosmetology uses, but instead of paying hundreds of dollars for something only coffee infused, why don’t you use the coffee grounds and save your self a few bucks. Coffee can be used to exfoliate your skin. This makes a good exfoliater because it gets ride of all the extra dead skin cells and makes your skin tighter and smoother. Coffee grounds can also be used to make your hair shiny and will slightly dye your hair a delicate dark brown.
Impact: This article has good tips to save money and is eco friendly. It is really smart to use coffee grounds for things you would normally spend a few hundred dollars on. If more people used simple esuriently tips like this think how much better our earth would be J
Men = thinking about sex ALL DAY LONG
And the research discredits the persistent stereotype that men think about sex every seven seconds, which would amount to more than 8,000 thoughts about sex in 16 waking hours. In the study, the median number of young men's thought about sex stood at almost 19 times per day. Young women in the study reported a median of nearly 10 thoughts about sex per day.
As a group, the men also thought about food almost 18 times per day and sleep almost 11 times per day, compared to women's median number of thoughts about eating and sleep, at nearly 15 times and about 8 1/2 times, respectively.
The college-student participants carried a golf tally counter to track their thoughts about either eating, sleep or sex every day for a week. Each student was assigned to just one type of thought to record. Before receiving the tally counter, they had completed a number of questionnaires and were asked to estimate how often they had daily thoughts about eating, sleeping and sex.Overall, a participant's comfort with sexuality was the best predictor for which person would have the most frequent daily thoughts about sex.
No painful memories if you dream
For people with PTSD, Walker said, this overnight therapy may not be working effectively, so when a "flashback is triggered by, say, a car backfiring, they relive the whole visceral experience once again because the emotion has not been properly stripped away from the memory during sleep."
While humans spend one-third of their lives sleeping, there is no scientific consensus on the function of sleep. However, Walker and his research team have unlocked many of these mysteries linking sleep to learning, memory and mood regulation. The latest study shows the importance of the REM dream state.
40% of youth trying to kill themselves
The researchers also found that suicide attempts during childhood and adolescence were linked to higher scores of depression at the time of the attempts, validating for the first time that young adults can reliably recall when they first attempted suicide.
Depression levels were higher at the time of the youths' reported first suicide attempts compared with their peers who had not attempted suicide. And Mazza found an increase in depression scores at the time of the attempt compared with depression scores the year before and after the attempt for the same child.
The National Institute on Drug Abuse funded the study. Other co-authors are Robert Abbott, UW educational psychology professor; and Richard Catalano, director, and Kevin Haggerty, assistant director, of UW's Social Developmental Research Group.
"Guppy Love"
Summary: Guppies in the wild have evolved over at least half-a-million years — long enough for the males' coloration to change dramatically. Yet a characteristic orange patch on male guppies has remained remarkably stable, though it could have become redder or more yellow. Why has it stayed the same hue of orange over such a long period of time? Well guppies have actually changed color over time but the female is most attracted to the orange colored guppy. The orange patches on male guppies are made up of two pigments: carotenoids (which they ingest in their diets and are yellow) and drosopterins (which are red and which their bodies produce). Carotenoids are the same pigments that provide color to vegetables and fruits. Plants produce carotenoids, but animals generally cannot; guppies obtain most of their carotenoids from algae.
Critique: THIS IS FREAKING AWESOME!!
Impact: Well now we know why they have stayed orange for the past million years.
Mediterranean Diet And Exercise Can Reduce Sleep Apnea Symptoms
Critique: Always knew you had to eat correctly to maintain a lower body-fat ratio.
Impact: This could possitivley influence the eating habits of youths and adults.
Surprising Pathway Implicated in Stuttering
Ten Ways to Relieve Stress Naturally
Summary:
1. Passionflower
2. Message
3. Meditation
4. Exercise
5. Organize your life
6. Eat Healthy
7. Limit Internet/Cell
8. B Vitamins
9. Aromatherapy
10. Sleep
Critique: It’s just something I found that sounds relevantly easy.
Impact: 2011 has been consider the worst year for stress maybe if people tried to lower stress we would all be a lot happier.
Unable to Switch Off From Daily Stresses, People Suffer From 'Sleep Texting'
Summary: This article says that the daily stress some people face might be the reason for a rare disorder called ‘sleep text’. People that do not deal well with daily stress could possible begin sleep texting. People who sleep text send their friends and family text while they are sleeping without knowing what message they had sent.
Critique: This is really interesting to know that in the middle of the night some people are texting while not even knowing. I mean I don’t understand how someone could just not know they are doing something when they are but it would be a good thing to look into.
Impact: I don’t believe this makes much of an impact because this disorder is rare and as far as I know is not harmful to anyone but it’s still cool to know.
Counting Cats
Genetic Code of First Arachnids Cracked
First Dogs Came from East Asia, Genetic Study Confirms
Summary:
Well isn’t
this a cool story? So I guess the scientists were board out of their minds and
they wanted to figure out where the first dog came from. So they took a look at
the evolution of dogs and they find out that it came from East Asia. He took a
look and he figured out that the dogs descended from wolves. Where the wolves
are from is the river near there so that’s where he found out where the first
dog was. Now that’s a story worth checking out.
Critique:
IT was a
cool story to read.
Impact:
Nothing.
They call it 'guppy love': UCLA biologists solve an evolution mystery
Summary: Guppies in the wild have evolved over at least half-a-million years — long enough for the males' coloration to change dramatically. Yet a characteristic orange patch on male guppies has remained remarkably stable, though it could have become redder or more yellow. Why has it stayed the same hue of orange over such a long period of time?
Impact: This might tone down perky creationist. (Hopefully)
Critic: I hope they find more things to back evolution someday
Reference: http://www.biologynews.net/archives/2011/11/25/they_call_it_guppy_love_ucla_biologists_solve_an_evolution_mystery.html
Snow leopards coming endangered!
Summary:
So this is starting it with a big surprise.
The Himalayan’s snow leopard is becoming extinct! It is thought that there are
only 300 to 350 leopards up on the mountain. That’s pretty small considering
how big the mountains are. They are known to live on the rugged sides of the mountains.
The scientists are saying that its way too low of leopards on the mountains.
Their trying to find a way to get one and study on it to figure out why their disappearing!
Critique:
I’m hoping that they figure out why this is
happening. It would be a terrible loss to see those beautiful creatures disappear
from the wild!
Impact:
It would impact the zoologist and many scientists.
Hopefully they find out the reason.
Tree Frogs Chill out to Collect Precious Water
Reference- http://www.sciencedaily.com/releases/2011/09/110929171705.htm
Summary- Researchers from the Charles Darwin University in Australia studied that tree frogs often plop themselves down outside on cool nights during the dry season in tropical Australia. When they are done they return to their dens. So the researchers decided to designed a series of experiments using real frog dens in eucalyptus trees and artificial ones made from pvc pipe. The researchers wanted to see if the frogs could collect enough moisture through condensation to compensate for what they lost being in the cold. They found that a cold night out the frog has .07 grams of water. However, a frog could gain nearly .4 grams, or nearly 1 percent of its total body weight, in water upon returning to the warm den.
Critique- The frogs hold get a good amount of water. When they go out and about.
Impact- I think that it is amazing what happens with the frogs. They gain weight by adding water to them.
Sunday, November 27, 2011
Lighten Up Your Favorite Foods
Ozone from Rock Fracture Could Serve as Earthquake Early Warning
Resource:
http://www.sciencedaily.com/releases/2011/11/111117154635.htm
Summary:
For years, researchers have been trying to find a way to predict what at times can be one of Earth’s most dangerous happenings, earthquakes. Researchers discovered that when rocks break from a large amount of pressure, they release ozone. A team of scientists at the University of Virginia School of Engineering and Applied Science set up an experiment to measure the amount of ozone released by different types of rock. They found that ozone is only released when exposed to air, so it’s a chemical reaction. The rock rhyolite had the highest level of ozone. Before an earthquake, pressure builds up under the surface causing the rocks to break. If they can find a relation between earthquakes and ozone levels, this could potentially lead to a earthquake warning system.
Critique:
I think this is very interesting. I had no idea that rocks release ozone, or anything for that matter! I think it’s a great discovery and will hopefully help scientists predict earthquakes.
Impact:
If this discovery can help scientists predict earthquakes, it will impact the world so much. People will be ready for earthquakes and not as many individuals will die. Earthquakes can be very dangerous and I think we should do everything we can so we’re prepared and not have as many deaths. This would truly save lives.
Ten Fun Sports That Burn Calories
New MRI Technique to Diagnose or Rule out Alzheimer's Disease
Resource:
http://www.sciencedaily.com/releases/2011/11/111116162238.htm
Summary:
Many of us have watched people we know go through Alzheimer’s and have witnessed the effects and difficulties that come with it. We are all aware that it is a disease that at times can be very difficult to diagnose, but what if there was a technique or machine to tell us if a loved one has it for certain? Well, researchers from the Perelman School of Medicine at the University of Pennsylvania did just that! The new technique is a type of MRI scan called arterial spin labeling (ASL) which measures the changes of a person’s brain function. This is not only a great advancement in medicine, but it’s also less harmful and cost friendly for patients. The old technique, PET, was four times as expensive and exposed the patients to radioactive glucose. The ASL scan shows the patient’s blood flow and glucose levels in the brain as well as the increase or decrease in brain function, which are all contributing factors. When a doctor thinks a patient may have Alzheimer’s they’ll do an additional MRI to check for any other problems, like strokes. With this new technique, they want to add it to the regular routine so they can tell right away if the person has Alzheimer’s or something else.
Critique:
I think the ASL technique is a great improvement when compared to the PET scan we have used for a very long time. I like it that this new technique is less harmful to patients and cuts the diagnostic process in half. I feel better, as many would probably agree, knowing that others would be diagnosed sooner and would live longer. I want them to be able to have the advantages my loved ones didn’t. It’s a wonderful improvement.
Impact:
This is a great improvement in medical technology. With the ASL technique, patients will be diagnosed faster and not as much money will be spent. Patients will live longer and will hopefully help pull our economy out of the recession because of how inexpensive it is. This has a wonderful impact in all aspects of the world.