Issues

Adding salt to a material lowers its melting point and removes heat. New work describes how to make that process reversible and cyclic.

For one type of cardiac arrhythmia, trouble comes in threes.

Fostering participation benefits the whole field, note proponents.

Startup companies are betting on different approaches and laser technologies for fusion to become a commercially viable energy source.

Molecular systems can host multiple electron spin qubits that have promising properties for quantum applications.

Despite the US’s strict postwar limitations on sharing nuclear knowledge, Norway and the Netherlands together were able to build a nuclear reactor several years after World War II ended.

The worst uncertainties about climate change are outside the scope of climate models but can be thought about in other ways—especially by learning from past climates.

Existential Physics: A Scientist’s Guide to Life’s Biggest Questions, Sabine Hossenfelder, Viking, 2022, $28.00

Statistical Methods for Climate Scientists, Timothy M. DelSole and Michael K. Tippett, Cambridge U. Press, 2022, $69.99

Researchers look to the human body as a feasible resource for construction materials beyond Earth.