› added 6 years ago

753

TIL crows and ravens can mimic human languages

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Oo5lX TIL that for every one bird killed by wind turbines in the U.S. there are 4,000 to 17,000 killed by cats.
A7V4 TIL That 10 years after Britain no longer made vaccinations mandatory, there was an outbreak that resulted in a number of teenagers contracting diseases.
ZdM4 TIL Engineers in Canada receive an Iron Ring to to remind them to have humility. It is in memory of a bridge that collapsed twice due to incorrect calculations involving iron.
KOnLB TIL Deaf people often 'think' in sign language. They have never 'heard' words so don't develop an internal monologue like others do.
1bY4 TIL that in 1995, less than half of the US approved of interracial marriages.