It\u2019s our 100th episode! And to celebrate our migration from double- to triple-digits, we\u2019re talking about\u2026 animal migration... Ok, we forgot it was our 100th episode. But this is still a great episode!\nFollow us on Twitter @SciShowTangents, where we\u2019ll tweet out topics for upcoming episodes and you can ask the science couch questions!\xa0\nWhile you're at it, check out the Tangents crew on Twitter: Stefan: @itsmestefanchin Ceri: @ceriley Sam: @slamschultz Hank: @hankgreen\nIf you want to learn more about any of our main topics, check out SciShowTangents.org!