The government is warning people not to handle tiny turtles because of the risk of contracting salmonella. The problem is, it has been warning us for 40 years and we're still getting sick.
As global warming changes the planet, we will experience many severe weather events. How we fare will depend largely on how well we preserve our best qualities — and community, says Marcelo Gleiser.
Concern is growing that flood damage from Hurricane Harvey to some of Houston's petrochemical plants may be polluting the air, and could be threatening the water.
President Trump pledged to rebuild Houston and Texas bigger and better than ever. However, he has also proposed eliminating federal flood mapping and the federal government's top disaster agency.
Sam Brody, a professor at Texas A&M at Galveston, talks with Ailsa Chang about how Houston area levees, reservoirs, dams and bayous have been holding up during the storm.
The president said he waited to visit until he could do so "without causing disruption." He sidestepped Houston and instead stopped in Corpus Christi, where Harvey made landfall, and then in Austin.
The blood thinner warfarin, which prevents blood clots, owes its existence to some cows who got very sick after eating spoiled hay — and to a chemist who spent years trying to figure out why.
The dead sharks, mostly endangered hammerheads, were part of a 300-ton haul of fish found on a Chinese boat off the Galápagos Islands. An Ecuadorean judge fined and jailed the crew up to four years.