How do scientists establish the age of artifacts, rocks, and settlements?
Polarized light passing through sugar, water "rotates" to reveal beautiful colors.
A rock-climbing physicist explores the mechanics of his hands.
Why do teens take risks, and what do our notions of risk tell us about the dangers of growing up?
Grow marshmallows to monstrous proportions!
Why do I hear the bass from my neighbor's stereo, but not the treble?
A community-built Nanoworld!
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