LifeFossil hints that orcas don’t have a long history of killing whales A 1.4-million-year-old fossil relative of killer whales had teeth that suggest it ate small fish rather than large marine mammals 51¶¯Âþ
EnvironmentSatellite images show biggest methane leaks come from Russia and US Images captured by satellite have been run through an algorithm to automatically detect the biggest plumes of methane streaming from oil and gas facilities worldwide 51¶¯Âþ