Scientific research has provided us with a fundamental understanding of how light (via photons) and electricity (via electrons) move within and betwee...
Smoking reduces life expectancy by ten years in Japan, but much of the risk can be avoided by giving up smoking, a paper published on bmj.com shows. P...
Social animals usually congregate（聚集） for protection or mating or to capture bigger prey, but a University of California, Berkeley, biologist has foun...
Silicon is the workhorse of the electronics industry, serving as the base material for the tiny transistors that make it possible for digital clocks t...
Had a bad day? Extending your normal exercise routine by a few minutes may be the solution, according to Penn State researchers, who found that people...
Smoke-free legislation was associated with substantially fewer hospitalizations and deaths from heart and respiratory（呼吸的） diseases, according to rese...
The Cretaceous Period（白垩纪） of Earth history ended with a mass extinction that wiped out numerous species, most famously the dinosaurs. A new study now...
The ostrich（鸵鸟）-like dinosaurs in the original Jurassic Park movie were portrayed as a herd of scaly, fleet-footed animals being chased by a ferocious...
Most of the more than 6,000 species of frogs in the world lay their eggs in water. But many tropical frogs lay their eggs out of water. This behavior ...
Assassin bug（猎蝽）, so named because these insects lie in ambush for prey that they attack with speed and precision, are found all over the world. Nearl...