There's been a dramatic influx of unaccompanied minors showing up at the border. Dianne Solis of The Dallas Morning News talks about what's behind the numbers.
Police said the shooter entered Reynolds High School with a rifle, killing a student and injuring a teacher. Police later found the shooter dead; the circumstances are unclear.
With the help of grow lights and air exchange fans, NASA is growing lettuce on the International Space Station. The scheme could help keep food costs down — and keep astronauts happy tending plants.
Students come to the school nurse for help with asthma, epilepsy and other chronic problems. Some health systems are letting school nurses read student medical records to help coordinate care.