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developmental biology

Brainless Embryos Suggest Bioelectricity Guides Growth

March 13, 2018

Researchers are building a case that long before the nervous system works, the brain sends crucial bioelectric signals to guide the growth of embryonic tissues.

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mathematical physics

To Test Einstein’s Equations, Poke a Black Hole

March 8, 2018

Two teams of researchers have made significant progress toward proving the black hole stability conjecture, a critical mathematical test of Einstein’s theory of general relativity.

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evolution

Oxygen and Stem Cells May Have Reshaped Early Complex Animals

March 7, 2018

An unlikely team offers a controversial hypothesis about what enabled animal life to get more complex during the Cambrian explosion.

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quantum gravity

Physicists Find a Way to See the ‘Grin’ of Quantum Gravity

March 6, 2018

A recently proposed experiment would confirm that gravity is a quantum force.

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mathematical biology

Why Don’t Patients Get Sick in Sync? Modelers Find Statistical Clues

March 1, 2018

The long, variable times that some diseases incubate after infection defies simple explanation. An idealized model of tumor growth offers a statistical solution.

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artificial intelligence

Why Artificial Intelligence Like AlphaZero Has Trouble With the Real World

February 21, 2018

The latest artificial intelligence systems start from zero knowledge of a game and grow to world-beating in a matter of hours. But researchers are struggling to apply these systems beyond the arcade.

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network science

Scant Evidence of Power Laws Found in Real-World Networks

February 15, 2018

A new study challenges one of the most celebrated and controversial ideas in network science.

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Computer Science

Smart Swarms Seek New Ways to Cooperate

February 14, 2018

New algorithms show how swarms of very simple robots can be made to work together as a group.

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cosmology

How the Universe Got Its Bounce Back

January 31, 2018

Cosmologists have shown that it’s theoretically possible for a contracting universe to bounce and expand. The new work resuscitates an old idea that directly challenges the Big Bang theory of cosmic origins.