The element radium can be found in extremely tiny amounts in the Earth’s crust and oceans, and in its pure form it is a soft silvery metal. To an untrained eye, a small piece of radium may look like a ...

A new measurement of the strong nuclear force, which binds protons and neutrons together, confirms previous hints of an uncomfortable truth: We still don’t have a solid theoretical grasp of even the ...

Researchers have produced definitive evidence that a specific region in the brain, called the subthalamic nucleus, is critical to governing the mind's communication with the body's motor control ...

The research community doesn’t agree on what controls the shape. Some scientists have suggested that Hartley’s smooth waist is due to the nucleus stretching along its long axis. However, it seems to ...