Six American high-school students took the top honors in the 2007 International Linguistics Olympiad in St. Petersburg, Russia earlier this month. This year was the first time a delegation…

Are too many people now diagnosed as having depression? Two experts give their views. Professor Gordon Parker, a psychiatrist from Australia says the current threshold for what is considered to be ‘…

The biggest problem for controlling hypertension (high blood pressure) is compliance with treatment, states an editorial in this week’s Lancet. “Despite very effective and cost-effective treatments,…

Scientists have discovered a key mechanism involved in the correct separation of chromosomes during the formation of eggs and sperm. The research shows that BubR1 - a gene recently shown to affect…

For mice, carbon dioxide often means danger — too many animals breathing in too small a space or a hungry predator exhaling nearby. Mice have a way of detecting carbon dioxide, and new research from…

Astronomers have discovered a chaotic scene unlike any witnessed before in a cosmic “train wreck” between giant galaxy clusters. NASA’s Chandra X-ray Observatory and optical telescopes revealed a…

Scientists have determined for the first time the atomic structure of an ancient protein, revealing in unprecedented detail how genes evolved their functions. "Never before have we seen so clearly,…

Wastewater treatment plants are designed primarily to eliminate nutrients. However, attention is increasingly being focused on micropollutants, since even low concentrations of these substances can…

Pressures and temperatures at the Earth’s core are stupendous – more than 3.5 Mbar and 7000K – and currently it is impossible to recreate these conditions in the laboratory. Our information about…

Prof. Yadin Dudai, Head of the Weizmann Institute’s Neurobiology Department, and his colleagues recently discovered that the process of storing long-term memories is much more dynamic than previously…