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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?
La famosa modelo de Leonardo es usada en un interesante experimento de percepci�_n.
Cuatro exposiciones lo suficientemente pequeñas para caber en tarjetas postales.
Si mira fijamente este punto por algunos momentos, éste desaparece.
Modelos plásticos huecos del aparato vocal humano convierten el graznido de un pato en sonidos de vocales.
Los movimientos del ojo hacen parecer que el dise�o brilla.
Tiny shrimplike crustaceans, krill play a critical roll in many marine food webs, even feeding huge baleen whales.
What makes Antarctica inhospitable to life also makes it ideal for astronomy.
Heat-trapping gases play a major role in polar climate change.
Exploring the diversity, distribution, and abundance of life in the oceans
Scientists dig under the surface for clues to past climate
They're a menace to ships, but life thrives in these frozen oases.
The Antarctic food web is the simplest on the planet, and krill are at its hub.
Crabeaters have extraordinary teeth, Weddells are downright cute, and leopards are as fierce as their namesake
The lure of Terra Australis Incognita begins with the Ancient Greeks and ends with modern cruise ships.
Humpbacks, minkes, and orcas are often sighted in the nutrient-rich Antarctic waters.
Living along the continental coastline of Antarctica are the emperors and the Adélies.
Four times over 100-plus years, major initiatives have brought together scientists from around the globe to collaboratively study the poles.
The nearly ice-free Dry Valleys are an Antarctic anomaly, and Earth's closest equivalent to Mars.
"Mac Town," the first stop for many scientists in Antarctica, is the same as any town–only different.
Darkening polar skies often bring beautiful light displays.
Land of ice and people
Meet Bart Hopkin, who listens closely to the subtle sonic qualities of wood, water, and pipes as he creates new instruments.
Walk in the shoes of Dean Hudson. As a visually impaired person, Dean depends on audio clues to navigate through the world.
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