› added 1 month ago

4

TIL of Danionella cerebrum — a tiny fish that is louder than an elephant. This fish blasts sounds at 140 decibels using special drumming muscles. Adults measure only 10–13.5 mm in size and have a brain volume of just 0.6 mm3 which is thus far the smallest known adult vertebrate brain.

Read more wikipedia.org

via reddit.com

wLZX7 TIL before Japan surrendered to end WW2, the US armed forces ordered over 1 million Purple Heart medals in anticipation of a difficult land invasion. That stock is still being used today.
b96KQ TIL that Japan has a 'national fungus' - Aspergillus oryzae, or koji - which is essential for brewing sake, and making miso, soy sauce, and other traditional Japanese foods.
Oowd7 TIL while walking in Manhattan’s Central Park that each lamppost has a set of numbers at the base. The first 2-3 numbers indicate the closest cross street, and the last number indicates what side of town you’re closest to. An odd number indicates you’re on the west side, and even means east.
9ZQD TIL That if an atom was the size of our Solar System, then a neutrino to scale would be the size of a golf ball.
6Y0w TIL: Kevin O'Leary from Shark Tank is always introduced as selling a company for over $3 Billion. The buyer claims “one of the most disastrous acquisitions in history.”