› added 1 year ago

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TIL that a 'broken heart' can actually be fatal. "Acute emotional stress can cause the left ventricle of the heart to be 'stunned' or paralyzed, causing heart attack-like symptoms including strong chest, arm or shoulder pains, shortness of breath, loss of consciousness, nausea and vomiting."

QJnM9 TIL that in several experiments giving mirrors to rhesus monkeys, they looked into the mirrors and groomed themselves, as well as flexed various muscle groups. This behaviour indicates that they recognised and were aware of themselves.
Mmk0 TIL Horror movie soundtracks sometimes include infrasound, which is sound below the range of human hearing. Even though we can’t hear it we can still feel it and it has been shown to induce anxiety, heart palpitations, and shivering.
DQN9V TIL that Adolf Hitler was self-conscious of his knees being photographed, and banned any existing pictures of his knees from public circulation during his time in power.
yQAvJ TIL California is the first state to ban pet stores from selling pets from commercial breeders under the Pet Rescue & Adoption Act; pet stores may sell only rescue & shelter animals. Violators of the law will be fined $500 per animal. CA citizens can still buy pets directly from private breeders.
gMng7 TIL that there is an ethnic group in the Philippines,called the Sama-Bajaus, intentionally rupturing their eardrums at an early age to help them when they are diving. They can stay as long as 13 mins under water at 200 feet.