Data from nearly 43,000 men around the world found that sperm counts dropped by more than half in Western countries. It could reflect a decline in health overall, scientists say.
Because demand for seafood is rising and wild stocks are not, a hatchery owner in Canada is hoping his model of "responsible agriculture" can keep the prized fish both on the menu and in the water.
When temperatures soar, there's nothing like a frozen treat to take off the edge. But if we dive in too fast, our brains are thrown for a distressing and sometimes painful loop. Here's why.
When we see a familiar face, we know instantly if we can remember that person's name. That's because the human brain has an ability called metamemory. Looks like rats may have that higher power, too.
David Perlman, age 98, talks with Steve Inskeep about his career as a science writer as he gets ready to retire from the San Francisco Chronicle after 77 years.
Federal maps help determine who on the coast must buy flood insurance, but many don't include the latest data. Maryland is now making its own flood maps, so homeowners can see if they're at risk.
In 2006, Al Gore issued a forceful warning about the threat of climate change in An Inconvenient Truth. He's followed it up with a sequel that shows how far we've come — but with plenty of caveats.
The words "strong" and "inspiring" are not usually assigned to garden slugs. But slug slime inspired materials scientists to invent a new kind of adhesive that could one day help heal human wounds.