This freshly drawn Tree of Life contains a new branch full of microbes — which appear to dominate Earth’s biodiversity. How did we miss that? TED Fellow Hélène Morlon explains.
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.