Recent studies have shown that behaviors such as happiness, obesity（肥大，肥胖） , smoking and altruism（利他主义） are "contagious（蔓延的，感染性的） " within a...
We are surrounded by microorganisms. They inhabit our skin, the air we breathe, the surfaces we touch. In most cases this is not a problem, but there ...
Mosquitoes transmit infectious diseases to millions of people every year, including malaria（疟疾） for which there is no effective vaccine. New research ...
Los Angeles, CA (March 18. 2010) The presence of an attractive woman elevates（提升） testosterone（睾丸素） levels and physical risk taking in young men, acco...
Two decades of atomic bomb testing in the atmosphere are yielding（出产，让步） an unexpected bonus for consumers, scientists reported here today at the 239t...
Scientists at Duke University Medical Center have identified a new growth factor that stimulates（刺激，鼓励） the expansion and regeneration of hematopoieti...
Johns Hopkins scientists have found that a safe and inexpensive antibiotic（抗体） in use since the 1970s for treating acne（痤疮，粉刺） effectively targets inf...
A new species of dinosaur, a relative of the famous Velociraptor（迅猛龙） , has been discovered in Inner Mongolia by two PhD students. The exceptionally w...
What better venue（场所，地点） than San Francisco –– sourdough（拓荒者，酵母） capital of the world –– to unveil a new natural sourdough ing...
The sizes of the portions and plates in more than four dozen depictions（描写，叙述） of the Last Supper – painted over the past 1,000 years – ha...