› added 4 years ago

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TIL Shoveling snow is a known cause for heart attacks - the increase in blood pressure combined with cold air constricting arteries creates the right environment for it to happen.

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via reddit.com

DQxmV TIL in ancient times, doctors used spider webs to make bandages for their patients. As it is said that spider webs have natural antiseptic and anti-fungal properties, which can help keep wounds clean and prevent infection.
x6bMD TIL that there is a Lombardy Crown called the 'Iron Crown' with what is supposed to be a nail of the True Cross as a central circlet.
9wQoX TIL about the history of the Enigma machine, a cryptographic device used by the German military during World War II.
WQBY TIL that ¾ of American lesbians are overweight.
E1KW7 TIL that for thousands of years, glue has been made by melting dead horses. This practice, although now less frequently, still happens to this day.