Science

Aquaculture in the U.S. has lagged because of opposition from environmentalists and people living on the coast. But entrepreneurs say they've found a way to produce fish on land with little pollution.

The country's move to require animals to be stunned before being killed is seen by some as an affront to religious methods of slaughter. But now Jews and Muslims are working together to protest it.

With little relief in sight for California's record drought, scientists are trying to learn why some clouds rain and other don't. As Lauren Sommer of KQED says, they're finding surprising answers.

We're all seduced by repetition, music research suggests — 90 percent of the music we listen to, we've heard before. Beyond music, this bias toward familiarity holds up in every culture. What gives?

Childhood amnesia descends gradually — and later than you might think, researchers say. Many 7-year-olds have robust memories of experiences from when they were 3 or even younger.

Basic human impulses often conflict with saving for retirement. For one thing, people hate losing something — even more than we love winning. Behavioral economists call this "loss aversion."

One researcher who participated in the latest U.N. report on climate change says the final product is simply too depressing. Others say the somber tone is justified — but that humans can also adapt.

The world's biggest extinction some 250 million years ago wiped out 90 percent of all living things. What caused it has puzzled scientists, and now they think microbes may have done it.

A United Nations panel has released a report from scientists who are getting a much better understanding of the effects of climate change.

Twenty years ago, many scientists didn't think that genes could cause diseases like cancer. The discovery of the BRCA gene for hereditary breast cancer changed that. Mary-Claire King tells how.