› added 6 months ago

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TIL that powerful jets of high-energy particles created by supermassive black holes must be pointed at Earth to be called a Blazar

Read more nasa.gov

via reddit.com

QJ7Kd TIL Wu-Tang's classic track "Wu-Tang Clan Ain't Nuthing ta F' Wit" samples the theme from 60's cartoon 'Underdog'
XEyGE TIL that Johnny Cash once tried to fight an ostrich and lost, suffering two broken ribs and a gash to the stomach but a solid belt buckle saved him from further injury.
d8vV7 TIL of fox saboteurs, people who disrupt illegal fox hunts in the UK!
rDYw TIL Dr. Donald Unger cracked his knuckles every day for 60 years to see if it would cause arthritis. He would crack his knuckles on one hand every day and leave the other one as a control. After 60 years, there was no discernible difference between them and Unger won the Ig Nobel Prize for Medicine.
xL9w TIL cocaine increases that chance of having a heart attack within the hour by 2,400%