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Expanding Universe
What is the universe expanding into? (Nothing, except for a mysterious fourth dimension.)
Clumsy Kids
Why are young men so clumsy? (girls and boys get growth spurts and a new social consciousness at …
Deep Universe
How far away can scientists see into the universe? (about 13 billion light years away)
Petrified Wood
What exactly is petrified wood? (it's a fossilized tree [or part of one] -- where the wood has been …
Morphing Planes
NASA's Morphing Project is working on planes that can adapt to changing flight conditions.
Roadside Paleontology
A site just off a Denver highway is yielding fossilized leaves from 64 million years ago.
Pueblo Migrations
Why did the people of Crow Canyon abandon their homes? (because they used them in a migratory …
Muon Detector
A detector for particles called muons could be used to identify smuggled nuclear material.
Yeast Wires
Prions from yeast form tough fibers that can be used to make microchips and nanotechnology.