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Scientists explain what causes hair to grow everywhere but the head as we age.

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gEQA TIL of Starfish. A 60’s US military experiment designed to see what would happen when a nuke was detonated 250 miles above Earth’s magnetic pole. It resulted in an EMP 900 miles wide, an intense artificial aurora, and a radiation belt that disabled 1/3 of the low orbit satellites and lasted 5 years.
woE0o TIL some zoos give out "Gorrila Glasses" to visitors to prevent Gorrilas from getting aggressive due to prolonged eye contact
6E4KY TIL if you try to steal the hood ornament from a Rolls Royce made after 2004, it will instantly retreat into the chassis of the car until the owner rights it. These hood ornaments, called "The Spirit of Ecstasy", cost roughly US $4000 to replace.
6EDYY TIL only 1% of DNA is for protein-coding genes, the rest 99% is non-coding and was once thought to be junk. Later studies found that it can't be that such a huge chunk is just "packaging material" and it is starting to become clear that it has many uses, mainly as a regulator of different sorts
GADLG TIL The FitnessGram PACER Test maxes out 247 laps. The only person to ever reach 247 laps was middle school student Dennis Mejia in 2016