Friday, July 19, 2024

Octopuses don’t actually have tentacles. They have eight limbs, but they’re arms (for most species). Technically, when talking about cephalopods (octopuses, squids etc), scientists define tentacles as limbs with suckers at their end. Octopus arms have suckers down most of their length.

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Pine trees can tell if it's about to rain. Next time you see a pine cone, take a close look. If it’s closed, that’s because the air is humid, which can indicate rain is on its way.

Your brain burns 400-500 calories a day.

Electrons might live forever. Scientists have estimated the minimum lifetime of the electron is about 6.6 × 10^28 years – this is 66,000 ‘yottayears’.


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