radix@lemmy.world to Today I Learned@lemmy.worldEnglish · 2 年前TIL ~62% of the atoms in a human body are Hydrogen, and are as old as the universe.en.wikipedia.orgexternal-linkmessage-square54fedilinkarrow-up1346
arrow-up1346external-linkTIL ~62% of the atoms in a human body are Hydrogen, and are as old as the universe.en.wikipedia.orgradix@lemmy.world to Today I Learned@lemmy.worldEnglish · 2 年前message-square54fedilink
minus-squareUnderpantsWeevil@lemmy.worldlinkfedilinkEnglisharrow-up1·2 年前As far as I’m aware, protons don’t decay. If they formed at the beginning of the universe, they stick around until they get annihilated by anti-matter. But are we getting new protons after the universe formed? No idea.
As far as I’m aware, protons don’t decay. If they formed at the beginning of the universe, they stick around until they get annihilated by anti-matter. But are we getting new protons after the universe formed? No idea.