US doctors order more than 4 billion tests annually, and rely on the results to make life-or-death decisions. But many don’t grasp the tests’ fallibility, or the concepts of risk and probability—particularly with regard to false positives, writes Daniel Morgan of the…

When researchers resurrected the extinct horsepox virus, critics charged they gave away the plans on reconstructing a cousin of smallpox, which killed hundreds of millions.

Scientists are looking to build backup storage for beneficial bugs that lurk in the intestines of people in remote communities, before they disappear.

When epidemiology professor Alison Mondul found out that men who took statins—a common drug for treating high cholesterol—also had a lower chance of being diagnosed with advanced prostate cancer, it “was exciting.” As natural skeptics, epidemiologists weren’t initially…

People living near concentrated animal feeding operations in southeastern North Carolina have poorer health outcomes for a range of health conditions than those who live further afield from the facilities.   After adjusting for socioeconomic factors, Duke University…

The 2018 Nobel prize in physiology or medicine has been awarded to immunologists James Allison of the University of Texas, and Kyoto University’s Tasuku Honjo, for their work on cancer therapy. The pair took home the prestigious prize for discovering that the body’s immune…

Antibiotics alone may be enough to cure appendicitis, upending a century-old standard of “slicing tiny, inflamed organs from people’s guts” to cure the condition, according to research published this week in JAMA.  

If you think a Nobel Prize might be out of reach, try striving for an Ig Nobel Prize instead. The annual awards presented at Harvard honor silly scientific achievements “that first make people laugh, and then make them think.” And that latter part is important—as the LOLs…

Plenty of research has concluded that “teaching kids about sex doesn’t make them start breeding like rabbits,” writes Christie Aschwanden. But specifically, what sex ed teaching methods work best?

Plenty of research has concluded that “teaching kids about sex doesn’t make them start breeding like rabbits,” writes Christie Aschwanden. But specifically, what sex ed teaching methods work best?