› added 1 month ago

4

TIL That one of the first solar-powered houses was built in 1948.

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Wk9WL TIL: When roosters open their beaks fully, their external auditory canals completely closed off. Basically, roosters have built in earplugs. This helps prevent them from damaging their hearing when they crow.
9YRZm TIL in the medieval ages book owners would chain their books to the shelves and curse them to prevent theft
69Pm TIL U2 has pushed for countries to give 1% to African aid which is paid by tax payer money, of which U2 was exempt under Irish tax laws. When Ireland reformed its laws, U2 moved operations to the Netherlands to pay less in taxes which would support their cause.
DQD1g TIL that due to airflow, all single rotor helicopters have the same speed limit 250 mph (402 km/h)
1aZQd TIL Doctors have to warn women not to put glitter in their vaginas.