Nature is Amazing ☘️(@AMAZlNGNATURE):Human brain vs. dolphin brain Dolphins only ever sleep with one hemisphere at a time - the other half remains awake, alert for danger and managing their surfacing It's insane how smart they are and the abnormal brain to body ratio that they have. Dolphins are crazy.

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Nature is Amazing ☘️@AMAZlNGNATURE

2026.05.19 15:10

Human brain vs. dolphin brain Dolphins only ever sleep with one hemisphere at a time - the other half remains awake, alert for danger and managing their surfacing It's insane how smart they are and the abnormal brain to body ratio that they have. Dolphins are crazy.