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 ...

Researchers design studies that might disprove what’s called their null hypothesis – the opposite of the claim they’re ...

In early 2018, two high-profile clinical trials of drugs for Alzheimer’s disease ended in disappointment. The drugs joined a long list of potential treatments that have failed to deliver significant ...

Jack Knudson is an assistant editor for Discover Magazine who writes articles on space, ancient humans, animals, and sustainability, and manages the Planet Earth column of the print issue. View Full ...

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 ...