Why Can’t Some Planes Fly in Hot Weather?
Heat waves appear across the tarmac at Sky Harbor International Airport.
Google Improves Job Search with Listings from Many Websites
Google plans to keep adding new job sites to the system.
Economist Says Key to Success — Finishing College in 4 Years
Columbia University graduation
Many Places Feeling the Heat Ahead of First Day of Summer
Temperatures climb to near-record highs.
US Navy Destroyer Crash
USS Fitzgerald
Colorado Considering Banning Smartphones for Children Under 13
Colorado would become the first state to have such a ban.
Fruits, Vegetables Can Lower Blood Pressure
Evidence suggests potassium may have an effect on hypertension.
Is Trump Sending Messages with His Handshakes?
Trump is testing the people he meets.
Old Fossils Give Humans New History
“Our species is much older than we thought.”
Study: Nearly a Third of World Overweight
The Aimin Fat Reduction Hospital in Tianjin, China.