Gut bacteria influence the birth of new brain cells in mice
Wiping out a mouse's gut bacteria with a long course of antibiotics hinders the growth of new brain cells – but exercise and probiotics can reverse this
Cancel the Olympic Games in Brazil because of Zika? No way
It is fear of the Zika virus, not its true threat, that is causing some people to call for the Olympics to be pulled from Brazil, says Marc Siegel
Lethal injections under threat after US drug firm pulls plug
It has become a bit more difficult for US states to carry out the death penalty, thanks to an announcement by the pharmaceutical firm Pfizer
Does Monsanto’s Roundup Herbicide Cause Cancer or Not? The Controversy, Explained
Got dandruff? The bacteria living on your head might be to blame
Until now, we’ve been blaming a fungus, but it turns out that too much Staphylococcus in your scalp’s ecosystem could be the cause of flaky dead skin
The US: E-Cigs Very Bad! The UK: E-Cigs OK! All of Us: Huh?
Everything You Need to Know About the Theranos Saga So Far
Let people most affected by gene editing write CRISPR rules
At a human gene editing summit in Paris today, scientists, ethicists and lawyers made the case for those affected by gene editing to call the shots
No, Harvard’s Mumps Outbreak Doesn’t Mean Vaccines Are Bunk
Your Healthy Lifestyle Won’t Necessarily Make You Healthier
