submitted 8 months ago by SchrodingersPat@lemmy.ml to c/memes@lemmy.ml

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[-] Jorgelino@lemmy.ml 2 points 8 months ago

The most preserved dinosaur fossil ever is of a Psittacosaurus. This fossil is so well preserved in fact, that scientists were able see what it's cloaca looked like.

[-] EveryMuffinIsNowEncrypted@lemmy.blahaj.zone 2 points 8 months ago* (last edited 8 months ago)

For decades, the kilogram all around the world was calibrated to the Prototype Kilogram, a 1 kg physical cylinder housed in France. Over time, despite being kept in a vacuum-sealed case in a climate-controlled secure vault, it was found to actually be steadily losing mass due to normal degradation just from existing.

Nowadays, it's no longer as much a concern due to the kilogram being formally defined relative to universal physical constants.

[-] Jorgelino@lemmy.ml 2 points 8 months ago* (last edited 8 months ago)

Some species of flatworm practice what is known as "penis fencing" to reproduce. All of them are hermafrodite and in order to mate they must duel with their sharp penises and try to stab eachother to inject sperm inside, impregnating the loser, but often also killing it.