› added 11 years ago

192

TIL fish can learn to pull a string to dispense food, and some have also figured out how to use a tool to pull the string as they swim by.

Read more animals.io9.com

via reddit.com

rNejo TIL a mom in Arizona won $1 Million by successfully picking which Arizona Diamondback player would hit a grand slam and in which inning.
9r7Q TIL there is an American charity that pays drug addicts roughly $300 to get sterilized.
QNXZd TIL after noticing a decline in the Christmas Island pipistrelle, permission was given by the Australian govt. to capture and breed wild specimens. In Aug 2009, scientists only found one instance of the bat through echolocation after four weeks. It later went silent that same month.
wL8n6 TIL that 70% alcohol is better at disinfecting surfaces than 91% alcohol. In one experiment, a 50% alcohol solution killed Staphylococcus Aureus in less than 10 seconds, but a 90% solution failed to kill it even after two hours of contact time.
b9BJ4 TIL that U.S. Postal Service regulations originally stated that mail deliveries be made "as frequently as the public convenience may require". Residential customers received mail two or three times a day until 1950 and some businesses received mail up to five times a day.