12: Thermal Biology, Why we have Periods, and Stickers

What do heat and temperature have to do with biology? (It turns out, a lot!) We know what periods are, but why do humans have them? And stickers are delightful but how did they come about? Support us with a Max Fun Membership! Join our Discord! We also learn about: what is heat? endotherms ectotherms homeotherms heterotherms and poikilotherms, being warm blooded evolved twice, heat generating plants, naked mole rats are weird, the podcast's stable of strange animals grows, kleptothermy, everyone huddles, which animals have periods? mansplaining periods, elphant shrews, convergent evolution of periods, spontaneous decidualization, "pregnancy is parasitic", women's reproductive research is underfunded, georgian beauty standards, stamp based tangents, bumper stickers, and our favorite stickers. Sources: Richard Feynman's "Six Easy Pieces" Book Endotherms and Ectotherms Thermoregulation Oryx Heterothermy Quelea High Body Temperature McKechnie's Blog Post on the paper The evolution of Endothermy Beehive Temperature Regulation Desert Ant Thermotolerance Thermogenesis in Plants Color Changing Thermal Biology Sloth Poikilothermy More Sloth Poikilothermy Poikilothermy and Huddling in Naked…