In 2014, Google’s Alan Eustace strapped himself to a weather balloon, soared to a height of 135,000 feet … and then jumped — all for science. Read more about his experiment … and about 9 others who merrily pushed the boundaries in the name of their work.
Each year in September, corals in the Caribbean stage a mass spawning event. Witnessing it, says marine biologist and TED Fellow Kristen Marhaver, is like swimming inside a snow globe. Here, she explains how corals beget corals — and how she and her fellow scientists are trying to help them along.
Explorer Brent McGregor shares stunning photographs of glacier caves discovered within the Sandy Glacier on Oregon’s Mount Hood.
Plus: why you shouldn’t give probiotics to your dog.