› added 9 years ago

3300

TIL that pupils dilate when multiplying two two-digit numbers.

Read more the-scientist.com

via reddit.com

JWvj TIL there are 4 million square miles of fertile land in Africa that can’t be cultivated because tsetse flies keep killing farm animals
jdpj TIL there’s an experimental project in Sweden where volunteers can sign up to receive a text message if there is a heart attack within (500m), so they can perform CPR before an ambulance arrives. 9600 people have signed up as of October, 2013.
KNka TIL Alicia Keys first appeared on the Men in Black soundtrack and was credited with writing her own song. She was only 16.
kJl5W TIL that both silver and copper were worthless when the silver currency entirely collapsed in the third century CE. The only things that could support the Roman economy at this point were gold and products in kind. In actuality, it was this that ended the economic crisis of the third century.
X04QR TIL Polish-born American Revolutionary War hero Casimir Pulaski was most likely intersex.