Category: Science & Health

Infections that were routinely curable are becoming hard to treat, and the pipeline of new antibiotics has nearly dried up. Why, and what is tried.

More than nine tenths of the extra heat trapped by greenhouse gases has ended up in seawater. That buffer slowed warming on land, at a cost.

CRISPR turned gene editing into something a graduate student can do in an afternoon: how the tool works, what it achieved, and where limits sit.

From laboratory bench to pharmacy shelf, a vaccine passes years of trials and two federal reviews. Here is how the U.S. approval system works.