A 48-million-year-old fossilised leaf has revealed the oldest known evidence of a macabre（可怕的） part of nature – parasites（寄生虫） taking control of...
To reach their conclusions, the astronomers looked in detail at the extraordinary star cluster（星团） Westerlund 1, located 16 000 light-years away in th...
While Arctic sea ice has been diminishing（减少，衰减） in recent decades, the Antarctic sea ice extent has been increasing slightly. Researchers from the Ge...
The Wildlife Conservation Society today released initial field observations（野外观测，实地观察） that indicate that a dramatic rise in the surface temperature i...
B rays may increase serum（血清，浆液） levels of vitamin D in the wintertime while clearing psoriasis（牛皮癣） , according to a report in the August issue of Ar...
Sons who have fond childhood memories of their fathers are more likely to be emotionally stable in the face of day-to-day stresses, according to psych...
A mutation（突变，变化） found in a mouse gene that also appears in humans might provide new insights into the genetic roots of alcoholism, according to a st...
An elevated resting heart rate that develops or persists during follow-up is associated with a significantly increased risk of death, whether from hea...
People with extremely strong ties to their countries or groups are not only willing, but eager, to sacrifice themselves to save their compatriots（同胞） ...
Research from Rice University's Department of Psychology finds that if you like what you're watching, you're less likely to notice the dif...