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Individuals who are obese are at increased risk of many diseases, including type 2 diabetes and heart disease. As 75%-95% of previously obese individuals regain their lost weight, many researchers are interested in developing treatments to help individuals maintain their weight loss.

They observed that activity in these regions of the brain in response to visual food-related cues changed after an obese individual successfully lost weight. However, these changes in brain activity were not observed if the obese individual…

Australia's links to South America have just gotten a bit closer, but not due to economic forces, rather fossil forces.

He said it was first thought to be a member of Dromaeosauridae, the group of predatory dinosaurs that includes the Velociraptor, but the Australian material has helped show Megaraptor actually belongs to the same group of dinosaurs as Africa's…

When the “cutting-edge” technology of the bow and arrow was introduced to the world, it changed the way humans hunted and fought. archaeologists have discovered that early man, on the way to perfecting the performance of this new weapon, engaged in experimental research, producing a great variety of projectile points.

"Technological innovation and change has become a topic that interests people," said R. Lee Lyman, professor and chair of the University of Missouri Department of Anthropology. "When the bow and arrow appeared in North…

Scientists have been aware for many years that if cancer patients are not able to deal with the stress associated with being sick, the cancer will progress faster than in calmer patients.To counteract this phenomenon, physicians encourage treatments that help cancer patients handle their stress.

To test their hypothesis about the role of BEP in controling tumor growth and progression, the Rutgers scientists took neural stem cells, transformed them into BEP neurons by treating them with particular chemicals, and then transplanted them into…

A major evolutionary innovation has unfurled right in front of researchers’ eyes. It’s the first time evolution has been caught in the act of making such a rare and complex new trait.

Lenski's experiment is also yet another poke in the eye for anti-evolutionists, notes Jerry Coyne, an evolutionary biologist at the University of Chicago. “The thing I like most is it says you can get these complex traits evolving by…

NASA scientists have uncovered new details about how plasma from superstorms interact with Earths magnetosphere.

Violent activity on the sun, such as a solar flare, can produce a monster superstorm that releases plasma into the solar wind. Large flares often result in an ejection of material from the solar corona, called a coronal mass ejection…

Monkeys have been able to control robotic limbs using only their thoughts, scientists report. The animals were able to feed themselves using prosthetic arms, which were controlled by brain activity. Writing in Nature journal, the authors said their work could eventually help amputees and people who are paralysed.

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Check out this amazing video where Joshua Klein explores training crows for useful activities.

Hacker and writer Joshua Klein is fascinated by crows. (Notice the gleam of intelligence in their little black eyes?) After a long amateur study of corvid behavior, he's come up with an elegant machine that may form a new bond between…

Many strains of monkey become naturally infected with viruses that are related to HIV. These viruses are known collectively as SIV and naturally infected monkeys do not develop AIDS. It is hoped that understanding why monkeys naturally infected with SIV do not develop AIDS might teach researchers important lessons about the mechanisms underlying…

HIV and SIV infect immune cells known as CD4+ T cells. So, the authors set out to determine how CD4+ T cells affected the number of virus particles in the blood of sooty mangabeys naturally infected with SIVsmm — did they provide…

There are probably hundreds of majestic and magnificent trees in the world - of these, some are particularly special

Eucalyptus regnans is the tallest of all flowering plants, and possibly once the tallest of all plants. The tallest measured specimen is officially taken as 114.3 metres. The tree, Cornthwaite Tree or Thorpdale Tree, was first measured by…