Suprachiasmatic nucleus
Body clock - the bit of your brain that is controls circadian rhythms, regulates a bunch of different functions.
Tagged “humans”
Third places in cities
a place to go that isn't home or work
Our Bodies Replace Billions of Cells Every Day
In 80 to 100 days, 30 trillion will have replenished — the equivalent of a new you"
Emphasis added to where I think confusion comes from. This is just raw number of cells. We have the largest number of blood cells, but by mass are mostly fat and muscle cells (which last for decades).
Human cryptochrome exhibits light-dependent magnetosensitivity
Let's think about slowing down AI
What was it like to grow up in the last Ice Age?
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