eli5: Why are babies (including animals)so curious and playful, but lose it over time?

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We see it all the time. Curious babies, friendly babies. Puppies, baby primates, elephants. They’re just so curious and interested and carefree.

This can lead to some trouble, which leads me to the question,
Why is it so widespread across mammals?
What has kept young animals to behave this way, but lose it as they grow up? Not to say adults never play or are no fun, but it’s extremely prominent along young ones.

In: Biology

4 Answers

Anonymous 0 Comments

Babies haven’t tried things yet, so they are curious. Adults have been there, done that, don’t need to jump off the wall again because they already know what happens.

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