日期：2013-04-16 The invasive kudzu（野葛） bug has the potential to be a major agricultural pest, causing significant damage to economically important soybean crops. Conventional wisdom has held that the insect pests will be limited to areas in the southern United... 阅读全文>>

日期：2013-04-16 Despite concerns that have been expressed about possible health risks from high intake of vitamin E, a new review concludes that biological mechanisms exist to routinely eliminate excess levels of the vitamin, and they make it almost impossible to t... 阅读全文>>

日期：2013-04-16 People with an Autism Spectrum Disorder (ASD) often have trouble communicating and interacting with others because they process language, facial expressions and social cues differently. Previously, researchers found that propranolol（心得安） , a dr... 阅读全文>>

日期：2013-04-16 Researchers at the Stanford University School of Medicine have succeeded in transforming skin cells directly into oligodendrocyte（少突细胞） precursor cells, the cells that wrap nerve cells in the insulating myelin sheaths（髓鞘） that help nerve s... 阅读全文>>

日期：2013-04-16 Bioengineered rat kidneys developed by Massachusetts General Hospital (MGH) investigators successfully produced urine both in a laboratory apparatus（装置） and after being transplanted into living animals. In their report, receiving advance online... 阅读全文>>

日期：2013-04-15 The spleen（脾脏） is rarely noticed, until it is missing. In children born without this organ, that doesn't happen until they become sick with life-threatening bacterial infections. An international team of researchers led by scientists from Rockef... 阅读全文>>

日期：2013-04-15 Newcastle University scientists have revealed the mechanism that causes a slime（黏液，烂泥） to form, making bacteria hard to shift and resistant to antibiotics. When under threat, some bacteria can shield themselves in a slimy（黏滑的） protective... 阅读全文>>

日期：2013-04-15 Evolution skeptics argue that some biological structures, like the brain or the eye, are simply too complex for natural selection to explain. Biologists have proposed various ways that so-called 'irreducibly complex' structures could emerge incremen... 阅读全文>>

日期：2013-04-15 A new chemical process can transform waste sulfur into a lightweight plastic that may improve batteries for electric cars, reports a University of Arizona-led team. The new plastic has other potential uses, including optical uses. The team has succe... 阅读全文>>

日期：2013-04-10 Scientists say they have traced the root genetic cause of leukaemia back to early life in the womb. 科学家称，他们追溯白血病的遗传原因至子宫内的早期生命形式。 Cancerous white blood cells The Institute of Cancer Research experts analysed the entire t... 阅读全文>>

日期：2013-04-10 Some of the largest female birds in the world were almost twice as big as their male mates. Research carried out by the Zoological Society of London (ZSL) shows that this amazing size difference in giant moa（恐鸟） was not due to any specific envir... 阅读全文>>

日期：2013-04-10 A team of researchers has made a major breakthrough in measuring the structure of nanomaterials under extremely high pressures. For the first time, they developed a way to get around the severe distortions of high-energy X-ray beams that are used to... 阅读全文>>

日期：2013-04-10 Sellers mostly focus on the desirability（有利条件） of a product when setting prices. Buyers, however, focus evenly on the product itself and what's entailed in using it, according to a new study in the Journal of Consumer Research. Sellers tend to... 阅读全文>>

日期：2013-04-10 Environmental change can drive hard-wired evolutionary changes in animal species in a matter of generations. A University of Leeds-led study, published in the journal Ecology Letters, overturns the common assumption that evolution only occurs gradua... 阅读全文>>

日期：2013-04-10 Scientists at The University of Manchester have found evidence of the genetic basis of the evolutionary arms-race between parasitoids（拟寄生） and their aphid（蚜虫） hosts. The researchers studied the reaction of aphids when a parasitic wasp with... 阅读全文>>

日期：2013-04-10 Inspired by a traditional Balkan bedbug remedy（补救，治疗） , researchers have documented how microscopic hairs on kidney bean leaves effectively stab and trap the biting insects, according to findings published online today in the Journal of the R... 阅读全文>>

日期：2013-04-09 Although no exact formula for marital（婚姻的） bliss exists, a University of Missouri researcher has found that husbands and wives are happier when they share household and child-rearing responsibilities. However, sharing responsibilities doesn't n... 阅读全文>>

日期：2013-04-09 A University of Alberta researcher has identified some of the strongest evidence ever found that dinosaurs could paddle long distances. Working together with an international research team, U of A graduate student Scott Persons examined unusual claw... 阅读全文>>

日期：2013-04-09 For more than 40 years, snowmelt and runoff from Morocco's High Atlas Mountains has been dammed and redirected hundreds of kilometers to the south to irrigate oases（绿洲） farms in the arid（干旱的） , sub-Saharan Draa Basin. But a new study by Ame... 阅读全文>>

日期：2013-04-09 Scientists from Cardiff University and the University of Barcelona have discovered new clues about past rapid climate change. The research, published this month in the journal Nature Geoscience, concludes that oceanographic reorganisations and biolo... 阅读全文>>