Video: 2019’s Breakthrough of the Year and runners-up

Each year, Science’s editors and writers highlight a top research achievement as their Breakthrough of the Year. This year, the honor goes to the first image of a black hole—the culmination of more than 10 years of work. But there are a lot of other advances to talk about, from a clearer picture of ancient humans to promising drugs for the treatment of Ebola. Check them all out in this video rundown.