"TIL since 1850, more than 5,000 people have gone over Niagara Falls, either intentionally (as stunts or suicide attempts) or accidentally but only 17 are known to have survived."
"TIL that in 1996 a 7-year-old Californian girl tried to fly an airplane across the US and crashed in a thunderstorm, killing her. This resulted in a law banning children from flying."
Just because you don't believe something doesn't mean it isn't true. You could try Googling things before you make claims. This is one of the things I found in mere seconds, and there's more of it out there if you want to read about it:
"Humans share nearly 50 percent of their DNA with fungi, and we contract many of the same viruses as fungi. If we can identify the natural immunities that fungi have developed, we can extract them to help humans."