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TIL A cave in France contains the footprints of a young child alongside the paw prints of a dog, left 26,000 years ago. The oldest evidence of human canine relationships ever found

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v1Vbx TIL that the Hydrangea flower color changes based on the pH in soil. Soil with a pH of 5.5 or lower will sprout blue hydrangeas, a ph of 6.5 or higher will produce pink hydrangeas, and soil in between 5.5 and 6.5 will have purple hydrangeas
x6kQD TIL why larger eggs have thinner shells. It's because larger eggs come from older hens and the eggs are produced with the same amount of shell material.
9ojr TIL the overwhelming urge to jump from high places is called “The Call of the Void”
rRWK0 TIL in Japan people must adhere to government-mandated waistline limits. Those who are too fat must attend counseling and support sessions. Local governments and companies that don't meet specific targets are fined
KOYl4 In this episode of Today I Learned, National Geographic Emerging Explorer Thomas Taha Rassam Culhane introduces the Zabaleen and explains how they’ve built a way of life around Cairo’s garbage.