How can we explain the fact that no single species predominates? A generally accepted hypothesis is that a trade-off exists between organisms able to acquire and consume more food than other when ...

As I’ve discussed previously, conventional wisdom suggests that using social media promotes poor mental health, especially in teenagers. But there is good reason to question this idea. As more ...

Last week, the pharmaceutical company Merck pulled the plug on a closely watched Alzheimer’s drug trial. The drug verubecestat, an outside committee concluded, had “virtually no chance” of benefit for ...