From Science Daily:Psychologists are finding out that even when people try to focus on a task they tend to lose concentration within 40 minutes, and sometimes as little as 10 minutes. The studies are based on a new technique, called transcranial Doppler sonography, that uses ultrasound to monitor blood flow velocity in the brain. The technique ( Read more... )

This video of Richard Feynman just blew my mind.

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For as long as I can remember, I've known that water expands when it freezes. When I got to junior high physics, I learned that water is the only thing we know of that expands when it gets colder. And at some point, I forget when, I read about how ice skates work ( Read more... )

Science is so cool. When I bought half a flat of strawberries at the farmers' market on Friday, in the back of my mind was the thought I do hope I manage to use all these before they go bad. I made a small batch of jam Friday night, as well as eating a fair number out of hand, and figured making strawberry shortcake would take care of some more. ( Read more... )

From the SF Chronicle:A Christian schoolteacher from Roseville (Placer County) who takes the Bible literally says a UC Berkeley Web site about evolution is unconstitutional, like a cross in a public park.

The Web site, "Understanding Evolution," is supported by government funds and violates the constitutional separation of church and state, ( Read more... )