› added 10 months ago

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TIL that humans of non-African descent all come from Homo Sapiens interbreeding with Neanderthals and Denisovans after migrating to Eurasia, making up 1-4% and 4-6% of DNA respectively

Read more humanorigins.si.edu

via reddit.com

N7PQ1 TIL that all early humans were “lactose intolerant” after infancy. In 10,000 BC, a single individual passed on a mutation that has since spread incredibly fast, allowing humans to begin digesting lactose for life and causing the widespread consumption of dairy.
7rwJx TIL Animals are increasingly shifting from day to night to avoid people. Even activities like hiking and camping can scare animals, causing them to become more active at night.
KP99 TIL extras from Planet of the Apes self-segregated during breaks and would only spend time with those wearing costumes of the same species.
9D17 TIL Humans’ and Dogs’ brains have evolved to understand each others’ vocalizations to some degree, including dogs understanding human laughter.
GAAQg TIL In 2003, the Jacksonville Jaguars kept a tree stump and axe in the locker room as an inspirational prop for the team to "keep chopping wood." Several players did literally chop at the stump, until punter Chris Hanson tried and accidentally put the axe into his own leg