› added 4 years ago

66

TIL that the "Fresh Prince of Bel air" song actually has more verses between "you're moving with your auntie and uncle..." And "I whistled for a cab..."

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4XaBg TIL non-invasive prenatal testing, which draws blood from the mom to detect fetal abnormalities, can detect maternal cancer. Multiple severe chromosomal abnormalities can mean mom has cancer rather than fetus has many birth defects
69Bj8 TIL Vancouver's Stanley Park Hollow Tree Conservation Society voted to save a six-metre-wide dead Hollow Tree stump and paid $200,000 worth of restoration work. The parks board voted to cut down the 700 year old tree, because it was a safety hazard
8aalX TIL that physicist Richard Feynman encouraged his sister Joan to study the universe, despite their mother's belief that women were incapable of fully understanding science. Joan went on to become an astrophysicist.
6985m TIL that if all the world’s bacteria were laid end-to-end, they would reach 10 billion light-years in length. However, at 75 times thinner than a human hair, it would still be invisible to the naked eye. The length could wrap the Milky Way more than 20,000 times, creating a 2cm wide visible ribbon.
Orva TIL that Claudette Colvin, a 15 year old African American girl, was the unsung hero of the Alabama Bus Boycott and desegregation of public transportation. Before Rosa Parks, Colvin was arrested for refusing to give up her seat to a white woman, citing that it was her constitutional right.