› added 11 years ago

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TIL Dolphins give each other names and will answer to it even when called by dolphins they don’t know.

Read more bbc.co.uk

via reddit.com

aELJ TIL San Francisco International Airport is essentially built on top of 267 ball bearings whose support columns are capable of moving 20in any direction during an earthquake
BrDYy TIL Palau became the first country in the world to ban sunscreen that is harmful to sea life and corals.
N7el8 TIL in 1995 Jesus Dennis was held underwater by his stepdad until he stopped breathing and his heart stopped beating when he was a toddler. Because the water was cold, however, Jesus was completely rejuvenated hours later without brain damage and behaved as a normal child afterwards.
4ORw TIL - Sloths sometimes remain hanging from branches even after death.
ZkbR TIL originally Chicago wasn’t built high enough above Lake Michigan to be able to dig sewers, so engineers lifted the entire city by 4-14 feet starting in 1855. The project took 20 years to finish.