The amount of time asthma patients spend soaking up the sun may have an impact on the illness, researchers have suggested.研究人员建议，哮喘病人晒太阳可能对治疗该病有利。A te...
New research has revealed that the evolution of the complex, weight-bearing hips of walking animals from the basic hips of fish was a much simpler pro...
A new species of green palm-pitviper of the genus Bothriechis is described from a seriously threatened cloud forest reserve in northern Honduras. Beca...
In a dark, starless patch of intergalactic（星系间的） space, astronomers have discovered a never-before-seen cluster of hydrogen clouds strewn between two ...
Detecting alien worlds presents a significant challenge since they are small, faint（模糊的）, and close to their stars. The two most prolific（丰富的） techniq...
What is the long-range weather forecast for the giant planets Uranus and Neptune? These planets are home to extreme winds blowing at speeds of over 10...
Scientists at the University of California, Davis, detected the H1N1 (2009) virus in free-ranging northern elephant seals off the central California c...
A new Dartmouth College study finds human-caused climate change may have little impact on many species of tropical lizards, contradicting a host of re...
Physicists may have created the smallest drops of liquid ever made in the lab. That possibility has been raised by the results of a recent experiment ...
The answer is yes, according to a paper in the SIAM Journal on Discrete Mathematics. In a paper published in the journal last month, authors Anthony B...