These two species have been in danger of extinction for decades, but have responded well to conservation efforts. Those measures are going to stay in effect.
The weather for Sunday's Vikings vs. Seahawks football game looks like it will be ridiculously cold. NPR's Kelly McEvers talks to Dave Lapham, a former player for the Cincinnati Bengals and currently the color analyst for the Bengals radio broadcast, about how to survive the frigid conditions.
The U.S. had 10 weather events in 2015 that cost $1 billion or more in damage, with December the warmest and wettest month on record. Climate scientists blame a warming climate and strong El Nino.
Since October, a natural gas storage well near Los Angeles has been spewing hundreds of tons of methane gas each day. The leak isn't expected to be fixed for months.
Scientists are convening to debate whether experiments that make some viruses more contagious in order to advance understanding of potential outbreaks are worth the risk of creating one.
At least three genes that predispose some of us to hay fever and other allergies came from Neanderthal DNA, scientists say. The genes very likely boosted the immunity of our early ancestors.
The Romans are famous for their baths, aqueducts and toilets. But the sanitary innovations might not have done as much to improve health as was once believed.
Rain, and lots of it, is falling in parts of California as the first of several El Niño storms makes its way across the state. In the Los Angeles area, county officials have spent extra to offer more shelter options for its large homeless population.