Drugmakers and retail chains offer meds at bargain prices. But are they worth it?
Largest near-Earth objects are already well characterized, but smaller ones could surprise
Male circumcision-derived skin-rejuvenator injections in U.K. have yet to be approved in U.S.
200 years after the birth of Charles Darwin, his theory of evolution still clashes with the creationist beliefs of some organized religions. For him personally, it meant the end of his belief in creation by God...
When the scientific establishment put a spiritualist on trial, the co-discoverers of natural selection took opposing sides
An "interview" with Charles Darwin in which he describes how he became a student of nature, his initiation into the theory of evolution, and his religious scruples. It seemed he knew the trouble he was getting into...
Robots rule the day at Canadian toy fair
Take a trip through Scientific American's Worm Gallery and meet the charming, slinky creatures that turn your innards into their home sweet home
Video takes a look at exactly how electric rockets work
Nuclear power--like most forms of electricity generation--carries inherent risks. Is it worth the minor chance of a major catastrophe?
Companies kill deadly bacteria and strip out heavy metals in water using new technologies that range from ultraviolet (UV) light to microbubbles
Nuclear waste is either a millennia's worth of lethal garbage or the fuel of future nuclear reactors--or both
Using comic books to explore the issues and history of nuclear power
In stanzas associated with allegory the actual atomic structures of solids unfolds. Metals, Ceramics and Polymers. The conduction of heat, electricity and light through solids. Solidity emerges as being intricate, giddy, playful...