› added 11 years ago

413

TIL deaf people usually sneeze silently, most sneezing sounds are cultural.

Read more bbc.co.uk

via reddit.com

Q6ak TIL More African elephants are being born without tusks. Ivory poaching may be an evolutionary pressure resulting in survival of the tuskless.
v1Ax4 TIL astronomer Harlow Shapley firmly believed that there was only one galaxy in the universe but when he was presented with an evidence that disproved his view, he said "it destroyed his universe." Then he completely changed his view and devoted his subsequent career in mapping 76,000 galaxies.
yQyN8 TIL the key difference between a ship and a boat is a ship can carry a boat, but a boat cannot carry a ship
4X5bN TIL that many schools in the US still use the "cueing" method to teach students how to read, despite research showing that it's not effective. Cueing strategies include looking at the picture for context and trying to guess what word might make sense when you come to an unknown word.
d8Odr TIL about the 1961 Bobo doll experiment to study aggresion. Researchers physically abused an inflatable Clown doll in front of children, who then mimicked the behaviour, attacking Bobo in a similar fashion.