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Fun fact:
Astronaut is a compound word derived from the two Ancient Greek words “Astro,” meaning “star,” and “naut” meaning “sailor.” So astronaut literally means “star sailor.”
On average, your spinal cord stops growing at 4 years old. Your spinal cord consists of a bundle of nervous tissue and support cells that are responsible for sending messages from your brain throughout your body.
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0 sats \ 2 replies \ @OT 17h
So they say
please verify
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0 sats \ 1 reply \ @OT 17h
Few will verify these days
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0 sats \ 0 replies \ @OT 16h
Likely because brain fibers lose 10% of their total length every decade. They can shrink even more so under acute stress.
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