All Articles

Q&A

A ‘Rebel’ Without a Ph.D.

March 26, 2014

A conversation with the mathematical physicist Freeman Dyson on quantum electrodynamics, climate change and his latest pet project.

Bicep2 B-modes
cosmology

Possible Echo of Big Bang Detected

March 17, 2014

Scientists report the possible discovery of primordial gravitational waves, ripples in space-time that carry a record of how the universe began.

Gravitons
theoretical physics

Betting on the Future of Quantum Gravity

March 14, 2014

New calculations suggest physicists may someday discover a fundamental theory of gravity, but it could require a radical new perspective on the universe.

evolution

Does Competition Drive Diversity of Species?

March 10, 2014

A large new study of ovenbird lineages questions the extent to which competing species push each other to evolve.

Gamma Ray Excess
astrophysics

Case for Dark Matter Signal Strengthens

March 3, 2014

A new analysis strengthens the case that gamma rays emanating from the center of the Milky Way come from dark matter particles known as WIMPs.

Submerged turbulent jet
Mathematics

A Fluid New Path in Grand Math Challenge

February 24, 2014

A daring speculation offers a potential way forward in one of the great unsolved problems of mathematics: the behavior of the Navier-Stokes equations for fluid flow.

Chili peppers.
Biology

Scientists Reveal Structure of Pain Sensor

February 20, 2014

Scientists have finally resolved the structure of the molecule that responds to chili peppers, high temperatures and spider toxins.

cosmology

Big Bang Secrets Swirling in a Fluid Universe

February 12, 2014

With a new approach that treats the universe as a fluid, cosmologists plan to tease out the fine details of the Big Bang from its behavior and evolution.

origins of life

Chemists Seek Possible Precursor to RNA

February 5, 2014

Scientists have discovered building blocks similar to those in modern RNA that can effortlessly assemble when mixed in water and heated.