We understand in amazing detail how a heart develops - in mice. Whether the same processes that produce mouse heart tissue also generate heart tissue in humans has been unclear, because we obviously…

People love Top 10 lists and a Top 10 list of new species is no exception. We love the idea so much we took the 2007 choices from the International Institute for Species Exploration at Arizona…

BARCELONA, Spain, May 25 /PRNewswire/ -- - In Europe, Less Screening and Treatment, and an Apparent Higher Prevalence of Hip Fracture Than in North America and Australia In a first-of-its-kind study…

The nomination process for Raytheon's 2008 Math Hero Awards has now opened. These annual awards reward and celebrate teachers and tutors for promoting math achievement to students in a fun and…

With improved resolution, tissue-specific molecular markers and precise timing, a group of scientists say they have possibly overturned a long-standing assumption about the origin of embryonic cells…

By using a specialized microscope that only illuminates the cell’s surface, a virologist and a biophysicist at Rockefeller University have made history by becoming the first to see, in real time and…

Until 1992, when California’s magnitude-7.3 Landers earthquake set off small jolts as far away as Yellowstone National Park, scientists did not believe large earthquakes sparked smaller tremors at…

NASA's Phoenix spacecraft landed in the northern polar region of Mars Sunday to begin three months of examining a site chosen for its likelihood of having frozen water within reach of the lander's…

If education can help attitudes about evolution, we have a lot of educating to do. Maybe it was my Scientific Blogging T-shirt, or my anti-Bush bumper sticker, but something motivated a member of the…

Scientists like order and structure and methodology. Repeatability is even better, though that often requires additional grant funding. It's no different when it comes to weekends, bars and…