Petty rose to fame in the 1970s with his band Tom Petty and the Heartbreakers.
A majority of Japanese and American parents said their teenagers used mobile devices too much.
Businesses are using smell to influence people’s behavior.
Columbus’ arrival in the Caribbean was devastating to the native people there.
Sputnik satellite on display at a museum.
Global Learning XPRIZE Aims to Prove World’s Poorest Children Can Educate Themselves.
Washington Wizards center Ian Mahinmi
newly born cheetah
President Donald Trump and Puerto Rico Governor Ricardo Rosselló