› added 10 years ago

71

TIL a barcode scanner reads the white bars, and not the black bars

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via reddit.com

JYW8v TIL there is sea-lice and they are considered the largest biomass on earth!
5glB TIL that actor Ken Jeong (The Hangover) graduated high school at age 16, and had his medical degree by the age of 26.
rKLe TIL Bearing a male child can alter a woman’s brain by leaving male DNA that can persist for the rest of her life making her less likely to suffer from Alzheimer’s disease, promote tissue repair, and improve her immune system, but it may also cause adverse effects.
neX9W TIL that each cat species can either purr or roar, but no species can do both.
wLvx1 TIL that some spider species mimic ants and kill them one by one when they least expect it. They have a fake ant head that splits open to reveal deadly weapons.