› added 7 years ago

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TIL of the Sahara pump theory, which states that in about 10,000 years from now, the change in the orientation of the rotational axis of Earth's poles will move the North African Monsoon far enough north to convert the Sahara back into a tropical climate, as it was during 5,000–10,000 years ago

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dp9j TIL during the California Genocide, private militias were paid by the state and federal governments to slaughter indians, and allowed for the capture of their children as slaves, with eventual extermination noted as the goal by the governor.
0m7v TIL Polish doctor Eugene Lazowski saved 8,000 Jews during the Holocaust by injecting dead typhus cells into them, allowing them to test positive for typhus despite being healthy. Germans were afraid of the highly contagious disease and refused to deport them to concentration camps.
kO5Gd TIL dairy cows are fed slaughter waste, “trimmings that originate on the killing floor, inedible parts and organs, cleaned entrails, fetuses ...” because they need to consume a large amount of protein to keep up with continuous milk production, and slaughter waste is cheaper than supplements.
ANR0d TIL most plastics are more expensive than gasoline by weight . The average consumer only thinks gas is expensive compared to plastic because they buy more gas than plastic.
LEBZ TIL cats under stress may develop an OCD-like habit of excessive grooming to the point they start to bald. Some even hide the habit from their owners.