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TIL cutting your time on social media to 30 minutes a day reduces your risk of depression and loneliness

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via reddit.com

LkrQ TIL that speakers of the tonal language Mandarin are 10x more likely to develop perfect pitch than native English speakers (bottom graph page 5).
kVPg TIL some Chinese pet sellers make fake purebreds called “week dogs”. The dogs are produced by subjecting a mutt with congenital disease to cosmetic surgery, industrial dyes, painkillers and stimulants. Most die within 7 days and leave their owners heartbroken.
LQRgQ TIL the day after Robin Williams' suicide was announced, the National Suicide Prevention Lifeline saw the highest number of calls in a single day in its history with 7,500 (twice the normal number).
w5eW TIL that the first Russian Tsar was known as “Ivan the Awesome,” but due to a mistaken translation is known as “Ivan the Terrible”
5Rv8 TIL that Voyager II was launched 66 years to the day after the first around-the-world telegram was sent