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TIL 28 countries boycotted the 1976 Olympic Games because New Zealand was allowed to compete

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BrBwD TIL In the Strepsiptera the forewings evolved into halteres while, in the Diptera, the hindwings changed into halteres. Halteres have evolved at least seven times in insects, and in most cases it is known to be associated with improved manoeuvering in flight.
4XNjo TIL ornithologist Helen Hays has lived for six months of the year since 1969 on Great Gull Island (a remote, critical nesting area for migrating birds) to help restore the island's ecosystem for threatened terns. Due to her work on the island, the tern population was successfully recovered.
M7PY8 TIL about Robert Carter III who in 1791 through 1803 set about freeing all 400-500 of his slaves. He then hired them back as workers and then educated them. His family, neighbors and government did everything to stop him including trying to tar and feather him and drove him from his home.
VygD TIL That while examining brain scans, neuroscientist Dr. James Fallon discovered he is a psychopath. While unknowingly viewing his own brain scan, he said, “It’s probably a psychopath… someone who could be a danger to society.
WmnB TIL some free range turkey farms use alpacas to guard their flocks from foxes, since alpacas are extremely territorial and will accept the turkeys as part of their herd, defending them by chasing off predators