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Letting your mind wander allows you to be introspective, and to think in abstract ways most other animals cannot. And yet rats possess the same brain structures we use for introspection — which suggests deeper evolutionary roots for introspection and, by extension, consciousness itself. More »
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Welcome back to Ask a Biogeek, a biweekly column where UC Berkeley biology researcher Terry Johnson answers your questions, no matter how weird. Reader Mike asks: More »
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The time it takes for sensory input to travel along nerves and get processed by the brains means we're always living in the past. Okay, no problem — we can live with a few lost milliseconds. But ten seconds? A new study shows that once our brains make a decision (like "push this button") it takes that long for our conscious minds to become aware of it. More »
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At a young age, my brain was hijacked by the game of Tetris. Now it helps me navigate through life. When I was in the sixth grade, my friend Chiyo and I used to play this addictive puzzle game—developed in 1985 by a Russian engineer—for hours on end with a single 100 yen coin at an arcade in Tokyo. We probably should have been doing homework or at least pretending to, but instead, there we were, every day after school, sitting side by side executing crazy maneuvers with our joysticks. The mantras that I repeated in my head while playing the game at max speed as a pre-teen are totally in sync with some basic tenets of Asian philosophy. More »
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