› added 4 years ago

223

TIL male kangaroos are called boomers

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0wYBy TIL about hyperparasitism, where a parasitic species is itself parasitised by another parasite. Up to three levels of parasitism have been identified - specifically a fungus on a fungus on a fungus on a tree
d8QoB TIL Forty stones outline the original boundary of Washington DC, many of which are forgotten and neglected. This 10-sq mile area was to be the new capital of the United States, proposed by George Washington and assisted in its layout by a free-African American astronomer, Benjamin Banneker, in 1789
W7p14 TIL that an iconic seventy-foot-tall monument in Sydney’s Hyde Park was initially a sewer ventilation system. The obelisk was unveiled in 1857 under Mayor George Thornton, and thus it became known as “George Thornton’s scent bottle”.
x6rnD TIL Steve Irwin, the Crocodile Hunter, started wrestling crocodiles at 9 years old to keep local boat ramps safe
N7ROP TIL that 50 yrs ago today, the US conducted its largest underground nuclear test. A W71 warhead was detonated in a 7-ft-wide, 5,873-ft-deep shaft beneath Amchitka Island, Alaska. The yield was about 5 Megatons. The explosion raised the ground 25 ft, later collapsing into a 1-mile-wide, 60-ft crater.