BBC Science NewsExtinction: Humans played big role in demise of the cave bearPlastic particles falling out of sky with snow in ArcticSpaceplane gets a ride for space station tripsGreta Thunberg: Caroline Lucas reports Arron Banks to TwitterDo we need to worry about banana blight?Exomars: Parachute test failure threat to launch date'Human-sized penguin' lived in New ZealandMount Everest: Climbers set to face new rules after deadly seasonToxic blue-green algae warning for dog owners and swimmersEnvironmentalists warn Trump 'weakening' endangered species protections NY Times Science NewsNOAA Data Confirms July Was Hottest Month Ever RecordedHow Flat Earthers Nearly Derailed a Space Photo BookFinding Amelia Earhart’s Plane Seemed Impossible. Then Came a Startling Clue.This Carnivorous Plant Invaded New York. That May Be Its Only Hope.What Makes a Red Sky at Night (and at Morning)Kary B. Mullis, 74, Dies; Found a Way to Analyze DNA and Won NobelGay Penguins, and Their Hope for a Baby, Have Enchanted BerlinU.S. Significantly Weakens Endangered Species ActHow Sharks Glow to Each Other Deep in the OceanN.Y.P.D. Detectives Gave a Boy, 12, a Soda. He Landed in a DNA Database.