People constantly make complex decisions, from the more mundane（现世的，世俗的）—which restaurant to go to for dinner or which movie to go see—to ...
"For almost 10 years we have tried to find out what distinguishes（区别，辨别） stars with planetary systems（行星系） from their barren（不育的，贫瘠的） cousins,&qu...
Malfunctioning（不正常工作） circadian clock（昼夜节律钟） genes may be responsible for bipolar disorder（躁郁症，两极性异常） in children. Researchers writing in the open acc...
Scientists at the University of York have discovered how certain bacteria（细菌） such as Escherichia coli（大肠杆菌） have evolved to capture rare sugars from ...
The calculation of variations（变更） in the sea level is relatively simple. It is by far more complicated to then determine the change in the water mass....
Rosetta passed over the ocean, just South of the Indonesian island of Java, at exactly 08:45:40 CET, at a speed of 13.34 km/s with respect to（关于，至于） E...
Curiosity plays a big part in preschoolers'（学龄前儿童） lives. A new study that explored why young children ask so many "why" questions concl...
Removing the PKCI/HINT1 gene from mice has an anti-depressant-like and anxiolytic（抗焦虑药）-like effect. Researchers writing in the open access journal BM...
Many parents of preschoolers（学龄前儿童） struggle with their children's fears of real and imaginary creatures. A new study offers some ideas on how the...
Hardening of the arteries（动脉） has been detected in Egyptian mummies, some as old as 3,500 years, suggesting that the factors causing heart attack and ...