Researchers at the Smithsonian National Zoo Center for Species Survival in Front Royal, VA, and the Cheetah Conservation Fund are developing ways to rebuild cheetah populations using artificial insemination and embryo transfers

The National Zoo is working on ways to make artificial insemination and embryo transfers reliable enough to rebuild genetically stagnant cheetah populations

The FDA maintains dyes are safe, but some studies have linked them to hyperactivity in children

It’s best to treat the good with the bad, new medical insights into brain attacks suggest. Doctors are beginning to think the side of the brain opposite to a clot in stroke patients is just as important a target for treatment as the damaged tissue when it comes to a faster recovery. … READ MORE…

Proponents of the practice say it can help relieve postpartum depression, but there are no data to back their assertions

Angelina Jolie Pitt is part of only a small subset of the population at such high risk for cancer that doctors recommend preventative surgery

Scientific American readers share their personal experiences with this enduring dilemma

The increased darkness, caused by reduced fuel consumption, is a sign that people have fled a region, died there or, at the least, lost access to electricity and fuel because of destroyed infrastructure or power cutoffs.

The March 12 episode features a mock issue of Scientific American