Quantum tunnelling — when a particle skips through a barrier that classical physics would forbid — happens faster when objects have less energy, find physicists who worked out a way to probe photons ...

As adults, these large snakes are better known for their slow, lumbering gait, but the researchers discovered that young ...

Imagine a liquid that flows freely one moment, then stiffens into a near-solid the next, and then can switch back with a ...

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