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astrophysics

Strange Dark Galaxy Puzzles Astrophysicists

The surprising discovery of a massive, Milky Way–size galaxy that is made of 99.99 percent dark matter has astronomers dreaming up new ideas about how galaxies form.

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computer security

Hacker-Proof Code Confirmed

Computer scientists can prove certain programs to be error-free with the same certainty that mathematicians prove theorems.

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astrophysics

Colliding Black Holes Tell New Story of Stars

Just months after their discovery, gravitational waves coming from the mergers of black holes are shaking up astrophysics.

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neuroscience

The Neuroscience Behind Bad Decisions

Irrationality may be a consequence of the brain’s ravenous energy needs.

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particle physics

What No New Particles Means for Physics

Physicists are confronting their “nightmare scenario.” What does the absence of new particles suggest about how nature works?

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particle physics

Neutrinos Hint of Matter-Antimatter Rift

A hint that neutrinos behave differently than antineutrinos suggests an answer to one the biggest questions in physics.

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zoology

Biologists Search for New Model Organisms

The bulk of biological research is centered on a handful of species. Are we missing a huge chunk of interesting biology?

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cosmology

A Debate Over the Physics of Time

According to our best theories of physics, the universe is a fixed block where time only appears to pass.

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universality

A Bird’s-Eye View of Nature’s Hidden Order

Scientists are exploring a mysterious pattern, found in birds’ eyes, boxes of marbles and other surprising places, that is neither regular nor random.