In 2019 we experienced some painful and heartbreaking moments—like the burning of the Amazon rainforest, a worldwide resurgence of measles cases, and the first ever deaths linked to vaping. 

Ira talks with this year’s panel of science news experts, Wendy Zukerman, Rachel Feltman, and Umair Irfan, live on stage at Caveat in New York City. 

Plus, as we turn the corner into 2020, Science Friday listeners weigh in with their picks for the best science moment of the decade.