13-09-04 MIT researchers have shown that they can turn genes on or off inside yeast and human cells by controlling when DNA is copied into messenger RNA -- an advance that could allow scientists to better understand the function of those genes. The technique...

13-08-30 While in the past century there have been several documented examples of young, healthy athletes who have died suddenly of heart disease during competitive sporting events, a new study finds that this problem also extends to chimpanzees. According t...

13-08-22 By any measure, tuberculosis (TB) is a wildly successful pathogen. It infects as many as two billion people in every corner of the world, with a new infection of a human host estimated to occur every second. Now, thanks to a new analysis of dozens o...

13-08-21 The human body is full of tiny microorganisms -- hundreds to thousands of species of bacteria collectively called the microbiome, which are believed to contribute to a healthy existence. The gastrointestinal (GI) tract -- and the colon in particular...

13-08-19 The biological information that makes us unique is encoded in our DNA. DNA damage is a natural biological occurrence that happens every time cells divide and multiply. External factors such as overexposure to sunlight can also damage DNA. Understand...

13-08-14 The near-death experience reported by cardiac arrest survivors worldwide may be grounded in science, according to research at the University of Michigan Health System. Whether and how the dying brain is capable of generating conscious activity（意识...

13-08-05 Climate change is affecting the spread of infectious diseases worldwide, according to an international team of leading disease ecologists, with serious impacts to human health and biodiversity conservation. Writing in the journal Science, they propo...

13-07-19 We humans can remember events in our lives that happened years ago, with those memories often surfacing unexpectedly in response to sensory triggers: perhaps a unique flavor or scent. Now, researchers reporting in Current Biology, a Cell Press publi...

13-07-17 Dogs can learn, retain and replay actions taught by humans after a short delay. According to a new study by Claudia Fugazza and Adm Miklsi, from Etvs Lornd University in Hungary, this deferred imitation provides the first evidence of dogs' cognitive...

13-07-13 By comparing the human genome to the genomes of 34 other mammals, Australian scientists have described an unexpectedly high proportion of functional elements conserved through evolution. Less than 1.5% of the human genome is devoted to conventional...