A drop of water makes a fine magnifying lens.
Listen to the sound of a rainstorm – anytime, anywhere.
Bone conduction is another pathway to listening.
We can't predict when an earthquake will occur, but we can avoid some potential disasters.
Your eye movements make this design seem to shimmer.
Grow marshmallows to monstrous proportions!
What makes Antarctica inhospitable to life also makes it ideal for astronomy.
Grow your own stalagmites in luscious colors.
An ordinary metal spoon can make some astounding sounds!
The Maya were expert sky-watchers, careful observers of the motions of the celestial bodies...
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