日期：2015-07-30 Wild chimpanzees in the forests of Uganda are increasingly eating clay to supplement the minerals in their diet, according to a long-term international study published in the early version of the journal PLOS ONE. The paper led by the University of... 阅读全文>>

日期：2015-07-30 Surgeons at The Children's Hospital of Philadelphia (CHOP) joined with colleagues from Penn Medicine recently to complete the world's first bilateral hand transplant on a child. Earlier this month, the surgical team successfully transplanted donor h... 阅读全文>>

日期：2015-07-30 The chemical element lithium has been found for the first time in material ejected by a nova. Observations of Nova Centauri 2013 made using telescopes at ESO's La Silla Observatory, and near Santiago in Chile, help to explain the mystery of why many... 阅读全文>>

日期：2015-07-30 Astronomers have discovered the first aurora ever seen in an object beyond our Solar System. The aurora -- similar to the famous Northern Lights on Earth -- is 10,000 times more powerful than any previously seen. They found the aurora not from a pla... 阅读全文>>

日期：2015-07-29 Cancer can be caused solely by protein imbalances within cells, a study of ovarian cancer has found. The discovery is a major breakthrough because, until now, genetic aberrations have been seen as the main cause of almost all cancer. The research, p... 阅读全文>>

日期：2015-07-29 Stink bug mothers will lay darker or lighter eggs depending on how much light is reflecting off of a surface. The newly discovered adaptation is likely related to how some species of stink bugs are able to deposit their eggs on top of leaves, as the... 阅读全文>>

日期：2015-07-29 Nearly four billion years ago, the earliest precursors of life on Earth emerged. First small, simple molecules, or monomers, banded together to form larger, more complex molecules, or polymers. Then those polymers developed a mechanism that allowed... 阅读全文>>

日期：2015-07-29 The world's deserts may be storing some of the climate-changing carbon dioxide emitted by human activities, a new study suggests. Massive aquifers underneath deserts could hold more carbon than all the plants on land, according to the new research.... 阅读全文>>

日期：2015-07-28 The brain's effect on other parts of the body has been well established. Now, a group that includes two University of Florida Health researchers has found that it's a two-way street: Body fat can send a signal that affects the way the brain deals wi... 阅读全文>>

日期：2015-07-28 The health of Colorado's bighorn sheep population remains as precarious as the steep alpine terrain the animals inhabit, but a new study led by researchers at the University of Colorado Boulder has found that inbreeding--a common hypothesis for a re... 阅读全文>>

日期：2015-07-28 Biologists have discovered how the rice plant's immune system is triggered by disease, in a discovery that could boost crop yields and lead to more disease-resistant types of rice. Rice is central to the food security of more than half the world's p... 阅读全文>>

日期：2015-07-28 A new study released just days after the U.S. House passed a bill that would prevent states from requiring labels on genetically modified foods reveals that GMO labeling would not act as warning labels and scare consumers away from buying products w... 阅读全文>>

日期：2015-07-28 As the International Olympic Committee prepares to choose between Beijing (China) and Almaty (Kazakhstan) as the host of the 2022 Winter Olympics, a new report shows that the cost of last year's Games in Sochi, Russia, has been underestimated by bil... 阅读全文>>

日期：2015-07-24 Organic molecules allow producing printable electronics and solar cells with extraordinary properties. In spintronics, too, molecules open up the unexpected possibility of controlling the magnetism of materials and, thus, the spin of the flowing ele... 阅读全文>>

日期：2015-07-24 Lake Tahoe's iconic blueness is most strongly related to algae, not clarity, according to research released today from the UC Davis Tahoe Environmental Research Center, or TERC. In the Tahoe: State of the Lake Report 2015, researchers found the lowe... 阅读全文>>

日期：2015-07-24 If oxygen was a driver of the early evolution of animals, only a slight bump in oxygen levels facilitated it, according to a multi-institutional research team that includes a Virginia Tech geoscientist. The discovery, published Wednesday in the jour... 阅读全文>>

日期：2015-07-24 New research reveals that some of the earliest civilizations in the Middle East and the Fertile Crescent may have been affected by abrupt climate change. These findings show that while socio-economic factors were traditionally considered to shape an... 阅读全文>>

日期：2015-07-23 The 11 percent decrease in climate change-causing carbon dioxide emissions in the U.S. between 2007 and 2013 was caused by the global financial recession - not the reduced use of coal, research from the University of California Irvine, the Universit... 阅读全文>>

日期：2015-07-23 You may have never seen or heard of it, but hair ice - a type of ice that has the shape of fine, silky hairs and resembles white candy floss - is remarkable. It grows on the rotten branches of certain trees when the weather conditions are just right... 阅读全文>>

日期：2015-07-23 A new theory says dark matter acts remarkably similar to subatomic particles known to science since the 1930s. We owe a lot to dark matter - it is the thing keeping galaxies, stars, our solar system, and our bodies intact. Yet no one has been able t... 阅读全文>>