› added 4 years ago

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TIL that the earths ozone layer is on track to healing completely within 50 years.

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via reddit.com

ArKo TIL babies learn a language by hearing it, but they must hear it spoken directly to them in person by another human being; as little as 12 hours with a human tutor produces dramatic results in babies, compared to no results even after many more hours of exposure to foreign language TV shows.
8eK4V TIL The Great Wall of China was built using "sticky rice mortar," a mix of sticky rice soup and slaked lime. This mortar has a high adhesive strength, sturdiness, and waterproofing capability and prevents weeds from growing. It is also strong enough to resist earthquakes and modern bulldozers.
a7Vb TIL that during the 2008 world hops shortage, the Samuel Adams brewery sold 108 craft breweries their excess hops, at cost, to help prevent them from going under.
BrZ1y TIL George Lucas's Star Wars pioneered the idea of omitting opening credits, a move that cost him $250,000 in fines.
b9wO4 TIL there are actually no wild alpacas. Instead, the alpaca is the domesticated version of the vicuña, which are also related to llamas.