› added 11 years ago

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TIL a substance called Dioxygen Difluoride (O2F2) is so volatile that it makes almost any organic substance ignite and explode at any temperature hotter than -300°F (-185°C). It can literally set ice on fire

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j4ep TIL in Kyoto, Japan there are five temples that have blood-stained ceilings. They use the floorboards from a castle where warriors killed themselves after holding off against an army for eleven days. You can still see footprints and outlines to this day.
Wkj8N TIL that The Netherlands has such a low crime rate, it imports criminals from other countries such as Norway to fill their jails due to a lack of prisoners.
ZkND TIL the “Pillars of Creation” have already been destroyed by a cosmic explosion, but the remains will not be visible to us for another 1,000 years.
R5ax1 TIL Blue eyes do not contain blue pigments. The color comes from structural color, there are small particles suspended within the fibrovasular structure of the stroma that cause blue light to scatter. This is an example of the Tyndall effect.
16arW TIL about a deep-sea fish called the stoplight loosejaw. It is so called because its lower jaw has no floor and it shines red light from photophores under its eyes, which it uses like headlights. Most deep-sea creatures can't detect it because no red light filters down to them from the sun.