apnews.com
The Millennium Seed Bank at the Royal Botanic Gardens Kew marks its 25th anniversary. It stores over 2.5 billion wild plant seeds from around 40,000 species to guard against extinction.
about 2 months ago
apnews.com
Swiss aviation pioneer Bertrand Piccard is developing a plane powered by liquid hydrogen after a much-hyped flight in 2015 that used sunlight to travel around the world.
10 months ago