ESA's Mars Express has returned new images of an elongated（细长的） impact crater in the southern hemisphere of Mars. Located just south of the Huygen...
Low physical activity increases kidney transplant patients' likelihood（可能） of dying early, according to a study appearing in an upcoming issue of ...
As carbon dioxide levels have risen during the last 150 years, the density of pores（气孔） that allow plants to breathe has dwindled by 34 percent, restr...
The long-time practice of using police facial sketches to nab（捉住，逮捕） criminals has been, at best, an inexact art. But the process may soon be a little...
A new paper by University of Calgary researchers, published today in PLoS ONE, demonstrates the edge given to prey in the "space race" by hu...
Fossil records verify a long-standing theory that horses evolved through natural selection, according to groundbreaking research by two anatomy（解剖学） p...
Researchers at the Johns Hopkins School of Medicine have discovered that a natural product isolated from a traditional Chinese medicinal plant commonl...
Methane（甲烷） is an extremely potent（有效的） greenhouse gas. Wetlands, gas hydrates, permafrost（永久冻土） , termites（白蚁类） , oceans, freshwater bodies, non-wetl...
Pioneering technology by scientists at Queen's University Belfast, which is transforming the lives of millions of people in Asia, is now being use...
Postmenopausal women who smoke or used to smoke have up to a 16% higher risk of developing breast cancer compared to women who have never smoked, find...