Chimpanzees are skillful cooperators. They recognize when collaboration is necessary and who is the best collaborative partner. Image: Max Planck Institute for Evolutionary Anthropology/Esther Herrmann 'We've never seen this level of understanding during cooperation in any other animals except humans,' says Melis. Cooperation happens all the time in the animal kingdom. A pride of lions cooperates to hunt down a gazelle. A herd of elephants band together to protect themselves from predators. But there may not be much thinking going on behind this kind of cooperation. It could be that by each animal wanting the same thing and working at the same time, success happens by accident.

The popular saying goes that 70 is the new 60 and 60 is the new 50, unfortunately for much of New Zealand's ageing population declining muscle function means it simply isn't true.

Was that Xanex or Xanax? Or maybe Zantac? If you're a health care professional you'd better know the difference--mistakes can be fatal.

UC Riverside researchers, in partnership with Affymetrix, Inc., have designed a chip – the GeneChip® Citrus Genome Array – that can improve citrus varieties and suggest ways to better manage them. By helping determine which genes are turned on in a tissue of citrus – genes that are associated with taste, acidic content and disease, for example – the chip provides information useful to researchers for rectifying existing problems and making improvements to the fruit.

Researchers report the discovery that cells used in bone marrow transplantation can develop into new cells lining the gut, according to a study by Yale School of Medicine in the Proceedings of the National Academy of Sciences.

Scientists have devised a blueprint for boosting anti-cancer drugs' effectiveness and lowering their toxicity by attaching the equivalent of a lead sinker onto the drugs. This extra weight makes the drugs penetrate and accumulate inside tumors more effectively.

Thousands of years ago, humans began scrubbing off and discarding the outer layer of long-grain rice, preferring the polished white kernel beneath. Now, for the first time, scientists in Japan have shown that this waste product of rice processing, called rice bran, significantly lowers blood pressure in rats whose hypertension resembles that of humans.

An international team of researchers, including Kent State University professor Dr. Patrick D. Lorch, have revealed the motivating factors behind the seasonal mass migration of Mormon crickets in western North America.

Scientists have completed an extensive study of more than 3,000 patients who received a promising anti-inflammatory drug, natalizumab, that was linked to three cases of a serious brain infection in large clinical trials halted in early 2005.