Double spiral inside narwhal tusks may explain their resistance to bending

TIL that a man forged Spanish records to claim more than 12 million acres of Arizona and New Mexico as part of an 18th-century land grant.

TIL in Norway everyone's income, net wealth and tax paid are published online and anyone can search them. But you have to log in, the person you look up can see your name in their search history withi

TIL Elizabeth Holmes led investors to believe Theranos's blood-testing technology had been deployed by the U.S. military on the battlefield. It had never actually been deployed there.