› added 13 years ago

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TIL that because Iceland does not have an Air Force it relies on its allies to provide protection. Currently Canada is providing air protection for Iceland

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7r9gX TIL Hydrogen-alpha filters used for looking at the sun transmit only one specific wavelength of light: a deep red light emitted by hydrogen atoms of the sun. H-alpha filters are much more expensive than white light filters. The least expensive ones start at about $700
nwAb TIL a bonobo named Kanzi once asked for “fire” and “marshmallows” using lexigrams while on a hike in the woods. His trainer gave him matches and some marshmallows and he broke twigs, made a fire, and roasted the marshmallows over it.
yBA8 TIL that gagging when we see someone else vomiting is actually an evolved trait among primates. Humans would forage for food in groups. If any member of the group had an adverse reaction due to toxins in the food, it would be advantageous for the other members to take it out of their system too.
KYr4Q TIL the 1953 Miller experiment simulated early Earth’s conditions- exposing a mixture of water, methane, ammonia, and hydrogen to electric sparks. It showed organic compounds like amino acids form from simple molecules, offering insights into how life could have originated from non-living matter.
XE8k8 TIL the song "Mah Na Mah Na" later sung by Muppets on Sesame Street was originally the theme to the Italian mondo film "Sweden: Heaven and Hell" about sexuality in Sweden including "lesbian nightclubs, porn films," and "the swinging lifestyle of married couples"