› added 2 weeks ago

10

TIL at least 1/3 of the Great Barrier Reef is already bleached

Read more theguardian.com

via reddit.com

gMaB7 TIL in an effort to demonstrate time dilation, a father and his kids drove three atomic clocks up Mt. Rainier. The measured effect was just over 20 nanoseconds, matching Einstein's theory of relativity.
kOep4 TIL September is the most common US birthing month, meaning more parents conceive during Christmas time, not Valentine's Day.
neOGo TIL South Africa flies lions around the country with the intent of increasing genetic diversity and reducing population sub-division across lion populations.
P18pe TIL that reinforced concrete became popular after the 1906 San Francisco earthquake. The subsequent fire destroyed much of the city, but those built with reinforced concrete made it "through the ordeal unscathed, where buildings of brick and stone in their immediate vicinity were entirely wrecked."
yQxXl TIL that Marvel, DC, and other major comic book publishers adopted the "Comics Code" in 1954. Under the Code, criminals could not be depicted sympathetically, and police, judges, and government officials could not be shown as corrupt. The code was revised over time and was abandoned in the 2000s.