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Wow, that's crazy! I knew they didn't have brains but I didn't know about the other part.
That is very interesting, I didn't know much about jellyfish, only that I was scared of being stung of one! It is also really interesting that jellyfish are able to go backwards in development.
I didn't know that! That is absolutely crazy!
Wow, I never would have dreamed of that being possible!
Wow, that would suck being born with an addiction to alchohol but having a fortunate twin that isn't.
That is so weird, I knew some of it, but not all! I wish that I could see or smell what they do! That would be so cool.....
Also, have heard that certain birds and maybe other animals can sleep with one eye open. That way they can see predators coming. Apparently one half the brain is awake while the other half is asleep .They switch sides at intervals