The entrance to the Svalbard Global Seed Vault. Courtesy of Global Crop Diversity Trust hide caption
A child enjoying nature. Courtesy Emma Marris hide caption
Paleontologist Kenneth Lacovara speaks at TED in 2016. Bret Hartman/TED hide caption
Paleontologist Peter Ward speaking on the TED stage. Andrew Heavens/TED hide caption
Paleontologist Kenneth Lacovara speaks at TED in 2016. Bret Hartman /TED hide caption
The northern lights over Iceland in February. The glowing orange area on the left side are the lights of the capital, Reykjavik. Jamie Cooper/SSPL via Getty Images hide caption
Luz Barajas took her son Carlos Cholico to get his flu shot at Crawford Kids Clinic in Aurora, Colo., last year. Health officials say there is some evidence the flu shot is more protective than the nasal flu vaccine. Brent Lewis/The Denver Post via Getty Images hide caption
Rats are great at remembering where they last sniffed the strawberries. Alexey Krasaven/Flickr hide caption
An illustration of Rosetta just before Friday's expected landing on the comet known as 67P/Churyumov-Gerasimenko. The final approach aims to be only at "walking speed," mission specialists say, but that's enough to tip the antenna away from Earth. ATG medialab/ESA hide caption
A multi-million dollar effort to produce a test to guide treatment for a potentially lethal skin cancer recently fell apart after the scientific investigator discovered that the commercial antibodies he was using were unreliable. Cultura RM Exclusive/Peter Mulle/Getty Images hide caption
A new study finds meerkats are the most murderous mammals. Frank Bienewald/LightRocket via Getty Images hide caption
Rescuers untangle a gray whale from ghost net off the coast of California. Bob Talbot/Marine Photobank/Courtesy of World Animal Protection hide caption
A pangolin carries its baby at a zoo in Bali, Indonesia. Delegates at a U.N. wildlife conference have voted to ban commercial trade in all eight species of pangolin. Firdia Lisnawati/AP hide caption
A new study out of Yale found that pre-K teachers, white and black alike, spend more time watching black boys, expecting trouble. LA Johnson/NPR hide caption
New York Fertility Doctor Says He Created Baby With 3 Genetic Parents
Researchers at MIT found that many hybrid and battery-operated cars already meet the global emissions goals for 2030. Andrea Kissack/NPR hide caption
Europa is believed to have a vast subterranean, saltwater ocean that contains twice as much water as Earth's oceans. NASA/JPL/Ted Stryk hide caption
The Five-hundred-metre Aperture Spherical Telescope (FAST) in Pingtang county, China. STR/AFP/Getty Images hide caption