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The End of Cosmology?

An accelerating universe wipes out traces of its own origins

By Lawrence M. Krauss and Robert J. Scherrer

White Matter Matters

Although scientists have long regarded the brain's white matter as passive infrastructure, new work shows that it actively affects learning and mental illness

By R. Douglas Fields

The Limits of Quantum Computers

Quantum computers would be exceptionally fast at a few specific tasks, but it appears that for most problems they would outclass today's computers only modestly. This realization may lead to a new fundamental physical principle

By Scott Aaronson

The Bluefin in Peril

The only way to save the bluefin tuna, one of the most marvelous and endangered fish in the ocean, may be to domesticate the species

By Richard Ellis


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