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TIL that ‘the anchoring effect’ is the common human tendency to rely too heavily on the first piece of information offered (the “anchor”) when making decisions

Read more theguardian.com

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9Bm TIL That Only One Plane Was Allowed to Fly After the Flights were Grounded on Sept 11th 2001. Due to a man needing more antivenom from the most venomous snake in the world
ZLRY TIL Dark-skinned people living in northern Europe require six times as much UVB than white pigmented persons. Those living there with dark-skin are more susceptible to cancers, decreased brain function, and bone disease.
KRP6 TIL that the songs of blue whales have been becoming progressively deeper each year. There is no explanation for this mysterious voice change.
aw6Ao TIL there is a species of butterfly that feeds only on specific plant (Artemisia Vulgaris), which happens to like soil above mass graves. Forensic teams followed blue butterflies to help them uncover the mass grave sites.
8eEDb TIL that Charles Darwin often gave his old papers to his children for them to doodle on. Thus, much of what survives of his original Origin of Species manuscript represents the best of his children's writing and drawings, rather than the best of his work.