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TIL: A blue whale's heart beats only 8 to 10 times per minute and circulates 5300 litres or 9326 pints of blood around the whale's body

Read more uk.whales.org

via reddit.com

XmDr TIL there’s an ongoing “loudness war” in the music industry that is being condemned by Bob Dylan and Alan Parsons. The Dynamic Range Reduction on new releases is decreasing the quality of the audio and creating a distorted “wall of sound” effect.
P14jg TIL there is a microbe, Mixotricha paradoxa ("paradoxical being with mixed-up hairs"), that has both cilia and flagella which protists are supposed to only have one of
p8LWN TIL Ethel Rosenberg's execution did not go smoothly. After she was given three electric shocks, attendants removed the strapping only to have doctors determine that Ethel's heart was still beating. Two more electric shocks were applied, eyewitnesses reported that smoke rose from her head
xVxB TIL: There is a cave full of MASSIVE CRYSTALS 304 meters underneath Mexico. Seriously “Journey To The Centre Of The Earth” style.
7rQM TIL kids can get their drawings transformed into stuffed animals/objects/people!