Astronomer Caleb Scharf weighs what ever more exoplanets mean in the search for extraterrestrial life.
Scientists have created a thin composite film that gives lithium–sulfur cells exceptional durability
Soil-living animal is one of the rare creatures that use this potent poison
Mice that lost weight and then gained back more than they lost maintained an obesity-type microbiome that affected biochemicals involved in either burning or adding fat--suggesting interventions.
Sulfur emissions cause acid rain but a chemical reaction can remove almost all of the substance
“Smart drugs” are not clinically proven and could be dangerous
If anything's alive on the ice-covered ocean world of Europa, a future NASA mission hopes to find it.
What appears to be accepted science in the courtroom may not be accepted science among scientists.
Diamond-based imaging system uses magnetic resonance of electrons to detect charged atoms
A fiery science project
A new nanoparticle coating may allow the material to be erased and reused more than 80 times
Doing large studies of marijuana's potential as medicine means getting it removed from an official federal list of substances with no official medical use—which requires more proof of its potential as medicine.
Traces of the lethal chemical, smeared on Kim Jong-nam’s face at a Malaysian airport, can penetrate skin and kill fast
Properly fermented foods deliver probiotics that could help cut disease risk, said a researcher at the annual meeting of the AAAS.
Researchers have developed a heat sensor that can detect temperature changes of just ten thousandths of a degree Celsius—comparable with the sensitivity of pit vipers. Christopher Intagliata reports.
Researchers at IBM assembled the fragile molecule atom-by-atom using a specialized microscope
A cheesy science project
Trevor Mundel, president of global health at the Gates Foundation, talks to Scientific American editor-in-chief Mariette DiChristina about the Coalition for Epidemic Preparedness Innovations (CEPI) and the efforts to create vaccine platforms for rapid responses to epidemics.
When LSD binds to serotonin receptors, it pulls a "lid" closed behind it, locking it in place for hours, and explaining its long-lasting effects. Christopher Intagliata reports.
Levels in young animals elevated to 1,000 times the acceptable amount in people