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Pursuing fusion power

Scientists have been chasing the dream of harnessing the reactions that power the Sun since the dawn of the atomic era. Interest, and investment, in the carbon-free energy source is heating up.

The ‘least crazy’ idea: Early dark energy could solve a cosmological conundrum

Measurements of the acceleration of the universe don’t agree, stumping physicists working to understand the cosmic past and future. A new proposal seeks to better align these estimates — and is likely testable.

Quantum entanglement’s long journey from ‘spooky’ to law of nature

PODCAST: From Einstein’s initial disbelief and Bell’s test to the 2022 Nobel Prizes, quantum entanglement has matured into a pillar of physics. Physicist Nicolas Gisin explains why it took so many decades.

Probing the mysteries of neutron stars with a surprising earthly analog

Ultracold gases in the lab could help scientists to better understand the universe

Champagne bubbles: the science

As you uncork that bottle and raise your glass, take time to toast physics and chemistry along with the New Year

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