From https://www.bluesnews.com/cgi-bin/board.pl?action=viewthread&boardid=1&threadid=254127.

posted by ant 2 years 3 months 3 weeks ago • 248 views • 39 secs

YouTube description: You are probably aware of the fact that elephants make trumpeting noises - but did you know that most of their communication is so low pitched that humans can’t even hear it? ... continue reading

posted by Aard Vark (oritteropo) 5 years 3 months 2 weeks ago • 489 views • 6:05

The Lahti L-39 is a Finnish 20 mm anti-tank rifle used during the Second World War. It had excellent accuracy, penetration and range, but its size made transportation difficult. It was nicknamed "Norsupyssy"... continue reading

posted by Mordhaus 7 years 9 months 3 weeks ago • 150 views • 10:14

Love these vids; I learn something every time. Simply put, Sir Martyn Poliakoff explains every bit of the catalytic reaction of breaking the bonds within the Hydrogen Peroxide molecule, to somewhat dramatic... continue reading

posted by oblio70 8 years 6 months ago • 153 views • 8:08

"Any bigger and it's just embarrassing."

posted by PlayhousePals 1 decade 1 year 10 months 1 week ago • 2,052 views • 3:59

Vi Hart calls herself a “recreational mathemusician”, which sounds like fun! In this video, she teaches more about math than she missed by doodling during class. See more of this sort of thing at her... continue reading

posted by Hive13 1 decade 4 years 3 months 1 week ago • 8,333 views • 4:36