Oklahoma was hit particularly hard by two massive outbreaks this year in what's been another deadly season of tornadoes in the U.S. Despite technology and forecasting improvements, scientists still have plenty to learn about how and why tornadoes form.
Currently, one of the best ways for researchers to understand how tornadoes form is to chase them. So off they go with mobile science laboratories, rushing toward storms armed with research equipment and weather-sensing probes.
Drive about 20 miles north of Reno, Nev., into the barren scrubland and you're sure to see "wild" horses — more than 1,000, in fact. Just not in the wild.
Laura Leigh calls several mares to the edge of the dusty corral. She's a regular at Palomino Valley National Adoption Center. The horses eagerly rub their muzzles against her, their coats hot from the midday sun.
"We got to get you a home, don't we?" she says to one of the horses. "This one will let you scratch her withers and put your hands on her legs. You're adorable, aren't you?"
The blueberries on your morning cereal are less expensive this year. That's because farmers are harvesting a bumper crop this summer. It's good news for berry lovers, but the bounty might wreck some blueberry growers.
In Richland, Wash., Genoa Blankenship pops open the lid on a box of blueberries. Her three young children struggle to stop wiggling. Blankenship loves the idea of healthy snacks that are easy to take along to soccer practice.
A man walks among shrouded bodies at a Cairo mosque on Thursday. At the El-Iman mosque, more than 200 bodies were being prepared for burial, the victims killed in a crackdown on protesters by Egypt's military-backed government.