Memory improves in older, overweight women after they lose weight by dieting, and their brain activity actually changes in the regions of the brain that are important for memory tasks, a new study finds.

Researchers have created a new 3D printed building material inspired by the composition of the human bone.

Bumblebees searching for nectar go for signposts on flowers rather than the bull's eye. A new study, by Levente Orbán and Catherine Plowright from the University of Ottawa in Canada, shows that the markings at the center of a flower are not as important as the markings that will direct the bees to the center.

YEKATERINBURG, June 23 (RIA Novosti) – Russia can use Soviet-era SS-18 Satan heavy intercontinental ballistic missiles to destroy celestial bodies posing a threat to Earth, a Russian scientist said on Sunday, four months after a powerful meteor struck Russia’s Urals region.

A new statistical analysis shows the world population could reach nearly 11 billion by the end of the century, according to a United Nations report issued June 13. That's about 800 million, or about 8 percent, more than the previous projection of 10.1 billion, issued in 2011.

While drinking coffee has been shown to have health benefits, a trendy extract of unroasted coffee beans used in weight-loss supplements is not as promising. In a new mouse study, scientists in Australia showed that the extract didn't have any effect on body fat—but it did seem to have a harmful impact on the mice's insulin resistance.

A few cups of hot cocoa may not only fight off the chill of a winter's day, but they could also help obese people better control inflammation-related diseases, such as diabetes, according to Penn State researchers.

A "cold snap" 116 million years ago triggered a similar marine ecosystem crisis to the ones witnessed in the past as a result of global warming, according to research published in Nature Geoscience.

More than 30 years after the discovery of the AIDS virus, experts are optimistic that a cure for the disease will be found, and that an end to the AIDS epidemic is possible.

Scientists have long suspected that a flourishing of green foliage around the globe, observed since the early 1980s in satellite data, springs at least in part from the increasing concentration of carbon dioxide in Earth's atmosphere.