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TIL mercury is released into the air by human activity, and can travel thousands of miles and settle into the ocean where microorganisms convert it into methylmercury, a highly toxic form that builds up in fish & shellfish.

Read more epa.gov

via reddit.com

4pgb TIL that ExxonMobil includes the taxes YOU pay at the gas pump AND employee payroll taxes in their PR about how much they pay in taxes.
o9Q8 TIL American women are more likely than men to prefer a male boss (40% vs 29%). 51% men are indifferent to the gender of their boss vs 32% for women.
Z845v TIL that in 2008, fossilized ink sacs we recovered from preserved remains of Belemnotheutis cephalopods. Mixed with ammonia solution, the team was able to return the ink to its liquid form and used the ~150 million year old ink to draw a replica of of the original illustration of Belemnotheutis.
4kAbg TIL that the Asian tiger snake is the only snake species that is both venomous and poisonous. Not only does it produce toxin for its bite, but it also stores poison it obtains from its toad prey in its skin
mx6Dp TIL of the 18 species of penguin, only 4 live in cold weather, the other 14 live in temperate or warm climates.