When you catch a nasty cold, curling up in bed to sleep may be the only activity you can manage. Sleeping in response to stress...


As night fell, astronomer Jean Jacques d'Ortous de Mairan watched a plant’s leaves, symmetrically arranged side-by-side on a stem, clamp shut. It was 1729, and...


At first glance, the yeast Candida krusei seems as innocuous as microbes come: it’s used for fermenting cocoa beans and gives chocolate its pleasant aroma....


A green, iridescent bee perches on a pink flower, extending its proboscis to reach the sweet nectar inside. He’s not just after a meal—he’s also...


For many of the roughly 300 million people around the world with rare diseases, the road to diagnosis can be long, painful, expensive, and disheartening....


For people with alcohol dependence, withdrawal symptoms can cause relapse. Some physical symptoms—such as seizures, delirium tremens, and heart rhythm abnormalities—can be fatal, but even...


In critical situations, communication can mean the difference between life and death. If our house goes up in flames, we don’t need to smell smoke...


Palm fronds crunch under a researcher’s foot as she hikes through a rainforest in Madagascar looking for a spot to release a tiny, omnivorous ball...


Whether a thunderclap drives your dog to cower behind the couch or leaves it unfazed may be determined in part by genetics. In the June...


Strong muscles aren’t important only for athletes—declining skeletal muscle strength is strongly associated with lower quality of life and even mortality in older adults. As...