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Sometimes we can learn about outer space when space objects come to us.
Examine words from different languages and determine which two languages are the most closely related.
Learn how to find the histories and origins of words.
Where do all the different languages in the world come from?
Download a PDF file with step-by-step instructions for doing your own cow's eye dissection.
Find out how your eyes work and watch a real dissection of a cow's eye.
Explore the strangest of strange attractors, the Lorenz butterfly.
San Francisco was born in gold dust, and nearly died in rubble and ashes.
Sperimenta interattivamente l'illusione del muro del caffé.
I movimenti dei tuoi occhi faranno brillare questo disegno.
Read stories and see footage from the 1989 Loma Prieta earthquake.
The 1906 earthquake jolted geologists into focusing on how and why faults break loose.
See a map of recent earthquakes in the United States, and learn why earthquakes happen so frequently on the West Coast.
What happens to sandy or fine-grained soils when an earthquake shakes them up? Try this simple activity to find out.
The three most densely populated cities on the planet where seismologists expect major earthquakes are San Francisco, Tokyo, and Istanbul. Find out why the effects in each city will be very different.
A profile of frog researcher Dr. Tyrone Hayes.
A comprehensive tour through the weird and wonderful world of frogs.
How good is your friend's driving? You be the seismometer, and find out whether your pal is a smooth sailor or a mover and shaker.
Richter and beyond
We can't predict when an earthquake will occur, but we can avoid some potential disasters.
What goes on under the ground during an earthquake? Use a Slinky to model the various seismic waves that make the earth tremble.
Get a taste of how the earth's plates move.
The earth moves in mysterious ways
What's at fault?
In an earthquake, some older structures collapse and others stand tall. The difference is usually retrofitting.
Hear vocal tract models transform the squawk of a duck call into vowel sounds.
Three auditory illusions created by students from the Center for Electronic Art.
Your CRT screen may appear to wiggle when you give it the raspberry, but the only thing wiggling is you.
Can you recognize an ordinary penny? It may be tougher than you think!
Just how do we remember a face?
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