› added 5 years ago

65

Today I learned that a lot of reptiles, amphibians and some fish have a third eye. The Parietal eye is located on the top of their head and acts as a photocell sensor to detect light levels.

Read more wikipedia.org

via reddit.com

e956 TIL switching to a national electricity grid instead of 130 regional grids would save $47 billion yearly and make utilization of solar energy more efficient
m1K0x TIL in 1950 only 9 percent of American households had a television set, but by 1960 the figure had reached 90 percent.
OoLwe TIL about Arthur Della Maddalena, an Australian miner who took part in an asbestos shoveling competition. All participants of the competition later died of asbestos related illnesses except for Maddalena, who also won the competition.
WrjY TIL That Kingsford Charcoal was developed from Ford Motor Company’s factory waste wood scrap
RXD1 TIL that states such as Alabama and South Carolina still had laws preventing interracial marriage until 2000, where they were changed with 40% of each state opposing the change