More useless knowledge from FITD

[FishinInTheDark]

When I was in San Diego last month, we sat on our balcony and watched dolphins feeding just offshore. As night fell, they would disappear, leading to the conversation about how dolphins sleep. I didn't know. Did you?

http://science.howstuffworks.com/question643.htm

[pilotrob]

Ha cool I learned something new today! interesting article, thanks FITD!

[Doctor_Reef]

:)

[newtofish]

Thank you, I never really thought about it but now I am glad I know.

[Sugar Magnolia]

Very interesting!