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TIL certain male beetles have spiky penises that injure the females so that their sperm can seep into the bloodstream and encourage other physiological reactions that increase fertility.

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wLemP TIL of Rebecca Chittum, a girl who was switched at birth with another girl and the mistake wasn’t discovered for 3 years. The day that the swap was realized, her biological parents died in a tragic car accident.
WkbGL TIL fire in Sweden turns cans of rotten fish into exploding missiles
RkWQ TIL 0.5% of the world’s population owns 38.5% of its wealth. The bottom 66% of humanity account for just 3.3% of it
WkWoA TIL that sunflowers are capable of cleaning heavy toxins such as arsenic and even uranium from soil.
b9yj9 TIL that sponges can reproduce sexually. They can also reproduce asexually but I still find this weird.