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TIL the film Shrek was based on a children's book "Shrek!" that was published in 1990

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4kXQa TIL out of some 45,000 known species of spiders, only 23 are considered to be quasi-social, which includes building and maintaining larger webs together. These colonies can grow large enough to even take down birds and bats.
OoXvX Today i learned about the great teacher and philosopher of India. Due to his leadership Alexander the great was defeated badly many time's . He was a noble teacher.
DQPQg TIL the Persians had ancient refrigerators called "yakhchals" to preserve the ice and keep it cold underground until the summer, the yakhchal also had a ventilation system that allowed the cold air to enter and the warm air to escape, keeping the temperature inside low.
mvry TIL Sunflowers can be used to clean up radioactive waste (they are able to extract pollutants, including radioactive metal contaminants, through their roots and store them in the stems and leaves. Making them the international symbol of nuclear disarmament).
68Zl TIL that Shanghai’s population is 24 million, more than the entire population of Australia, packed into a city half the size of Sydney.