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Pencils Down: Experiments in Education

The Art of Teaching Math and Science

The impasse in math and science instruction runs deeper than test scores or the latest educational theory. What can we learn from the best teachers on the front lines?

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algorithms

How to Cut Cake Fairly and Finally Eat It Too

Computer scientists have come up with a bounded algorithm that can fairly divide a cake among any number of people.

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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?