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TIL about Limnic eruption; a very rare type of natural disaster in which dissolved carbon dioxide (CO2) suddenly erupts from deep lake waters, forming a gas cloud capable of asphyxiating wildlife, livestock, and humans.

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W71j9 TIL the Chinese version of instagram is literally called ‘LittleRedBook’, a pun based on Facebook and Mao’s famous book of quotes.
wLlp1 TIL Hanako is probably the most famous koi fish ever in history due to her astonishing age. When Hanako died in 1977 she was believed to be 226 years old, making Hanako the oldest koi fish ever in the world.
P1ERw TIL The average cost per barrel of oil in the 727 million barrel Strategic Reserve is $29.70
OG6ag TIL bears in Yellowstone can eat 40,000 moth grubs per day.
YpmwP TIL Motorola was the first company to produce a handheld mobile phone. The first call was from Martin Cooper (Motorola) to his rival Joel Engel (Bell Labs). The phone weighed 1.1kg, had talk time of 30 minutes and took 10 hours to recharge.