› added 9 years ago

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TIL the President of the United States is granted access to classified information only on a “need-to-know” basis

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epRb4 TIL US Credit Card Balances Surpass $1 Trillion for the First Time
g9WX TIL that the concurrent Navy training and testing could potentially kill hundreds of whales and dolphins and disable thousands over the next five years.
D1Bre TIL that bridges and tunnels for animals reduced wildlife-related car crashes by 90% in Colorado
KadE TIL Teddy Roosevelt is the only U.S. President that is confirmed to have had a tattoo
rRvgx TIL predatory dragonflies the size of modern seagulls were present on the earth about 300 million years ago. The leading theory suggests that their large size was due to high oxygen concentrations (over 30% unlike the 21% today) in the atmosphere.