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Chemistry2688 articles archived since 1845

Pulling the String on Yo-Yo Weight Gain

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. 

March 18, 2017 — Steve Mirsky

Medical Marijuana Faces Fed's Catch-22

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.

February 27, 2017 — Steve Mirsky

Heat Sensor Has Snaky Sensitivity

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.

February 15, 2017 — Christopher Intagliata

Rapid-Response Vaccines for Epidemic Outbreaks

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. 

January 30, 2017 — Mariette DiChristina and Steve Mirsky

LSD's Long, Strange Trip Explained

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. 

January 26, 2017 — Christopher Intagliata