› added 4 years ago

174

TIL You don't get vitamin D from the sun. You make vitamin D from cholesterol in its inactive form. Inside your cells, this inactive form gets subjected to UV light which is provided by the sun and then gets activated. That's where the whole "vitamin D from the sun" idea comes from.

Read more webmd.com

via reddit.com

4XMkN TIL the THX sound from the opening credits of movies has a name
a8xJy TIL that in King Kong vs Godzilla (1962), For the attack of the giant octopus, four live octopuses were used. Three of them were released after filming the scene, the 4th became the special effects directors dinner that night.
O44a TIL the more educated you are in a field, the more likely you are to buy generic brands related to that field. For example, pharmacists more likely to buy generic aspirin than name-brand.
Brv9r TIL there is a 4 grade scale to measure your penis erection.
nWxlo TIL The most expensive sports card is 1952 Mickey Mantle baseball card (Topps; #311) , sold for 12.6 million $ on August 28, 2022, breaking all previous records.