Chaos at fifty

Niels Bohr between physics and chemistry

Birds can recognize a model's reproduction of their own songs

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The care and feeding of an Antarctic telescope

Highlights from the Daily edition

Shift in Canadian National Research Council’s emphasis ignites controversy

SCIENCE AND THE MEDIA: A widespread media debate engages the official decision to move toward industry-focused science.

Technical problem cripples the Kepler space telescope

SCIENCE AND THE MEDIA: News articles worldwide report not just the positioning-precision failure, but a sense of loss.

An acoustically invisible, rigid wall

PHYSICS UPDATE: With modest alterations, a perfect reflector of sound can become an excellent transmitter.

"Supercomputers are awesome and why I love what I do!!!"

DAYSIDE: High-performance computing has the potential to be as glamorous and inspiring as high-energy particle physics.

Q&A with Eric J. Heller

BOOKENDS: Books editor Jermey Matthews interviews Eric J. Heller about his book Why You Hear What You Hear: An Experiential Approach to Sound, Music, and Psychoacoustics.

Quantum illumination

PHYSICS UPDATE: The information-carrying benefits of entanglement can survive in a lossy environment—even if the entanglement itself does not.

Leaner, greener iron and steel

PHYSICS UPDATE: Electrolysis can extract metallic iron from iron ore, but only if the electrodes are up to it.

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