This week on Break It Down: Earth has a snazzy new radiation belt, the Wow! signal finally has an explanation and spoiler: it’s still not aliens, whales have joined the list of animals using tools (but do bubbles really count?), a universal flu vaccine is one step closer to reality thanks to some ferrets, the Rift Valley might not be the cradle of humankind after all, and why supermassive black holes are more a part of daily life on Earth than we realized.

Links:

Earth's New Ring: https://www.iflscience.com/this-springs-massive-aurora-sparking-solar-storm-has-given-earth-a-new-ring-75617