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TIL using camouflage, the Orchid Mantis more effectively attracts insects, its prey, then REAL orchid blossoms.

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Aneg TIL babies under 1 year should not eat honey. Due to spores of Clostridium botulinum germinating within the intestines, babies could get infant botulism which potentially could be fatal.
ZlgD TIL the steel used in the US to make structural beams, plates and reinforcing bars is nearly 100% recycled. Employing 1 metric ton (1000kgs) of recycled steel saves the need for the extraction and use of 1.1 metric tons of iron ore, 630 kilograms of coal, and 55 kilograms of limestone.
N5pQ TIL serial killer Richard Ramirez once shot a woman in the face with a .22 caliber handgun outside of her home. She survived the attack because the bullet ricocheted off the keys she held in her hands as she lifted them to protect herself.
JY5Gm TIL IKEA once made a commercial where the viewers were first shown emotional shots of a lamp being abandoned by its owner, and then had an actor say "Many of you feel bad for this lamp. That is because you crazy [sic]. It has no feelings, and the new one is much better."
9wD16 TIL in Japan, many traffic lights play "Tōryanse", a distinctive children's tune that indicates when it's safe to cross. It's been referenced in a lot of anime and pop culture.