Amazon says FAA drone approval already obsolete

The approval federal aviation officials gave Amazon.com last week to test a specific drone design outdoors is already outdated, the company's top policy executive said Tuesday in written testimony to a Senate subcommittee.

dateMar 27, 2015 in Other
shares58 comments 0

More evidence for groundwater on Mars

Monica Pondrelli and colleagues investigated the Equatorial Layered Deposits (ELDs) of Arabia Terra in Firsoff crater area, Mars, to understand their formation and potential habitability. On the plateau, ...

dateMar 27, 2015 in Space Exploration
shares27 comments 0

China starts relocating endangered porpoises: Xinhua

Chinese authorities on Friday began relocating the country's rare finless porpoise population in a bid to revive a species threatened by pollution, overfishing and heavy traffic in their Yangtze River habitat, ...

dateMar 27, 2015 in Ecology
shares78 comments 2