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TIL bottlenose dolphins have longest memory among non-humans - they can recognize whistles of their mates after being separated for more than 20 years

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VKxZ TIL Jim Henson came up with the 25 page story line for “The Dark Crystal” while snowed in at an airport hotel. He also believed it was unhealthy for children to never be afraid.
k5Kd TIL In 17th century Italy conjoined twins were on trial for murder. Authorities arrested Lazarus after he stabbed a man for teasing his parasitic twin brother. Though he was sentenced to death the court let him go, finding that they could not execute him without killing his innocent conjoined twin.
1y58 TIL A man ate 425 pennies containing over 1kg of Zinc and died due to gastrointestinal bacterial and fungal sepsis (infection).
wLrdW TIL that NASA will land Perseverance Rover on MARS using Sky Crane Technology, the same technology used in landing Curiosity Rover.
7rbd7 TIL books about how to reduce plastic waste were individually shrink-wrapped in single-use plastic by a US distributor. UK author Martin Dorey said: "We worked with the printer to make it one of the most environmentally friendly books this year. And then this."