Opinion

American evolutionary biologist Toby Kiers has now been awarded the Tyler Prize for Environmental Achievement for her work bringing this underground world into focus.

Venezuela on Tuesday started freeing jailed Americans, said a US official, who hailed the move by the country's interim leadership following Washington's ouster of ex-president Nicolas Maduro.

Sugary drinks and alcohol are getting relatively cheaper, the World Health Organization said Tuesday, urging countries to hike taxes to reduce consumption levels and boost health funding.