Health & Fitness
The key to early detection of COVID-19 outbreaks might be in sewage. (1:42) SpaceX takes humans to orbit, but who loses in the new landscape of space launch? (9:05) Experiment shows dogs might be willing to help you in a crisis, but they probably aren’t able. (17:55) Machine learning helps archaeologists identify the source of ancient poop. (25:33) Can we avoid an insect apocalypse with a new appreciation for creepy-crawlies? (32:16)