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Physics

Scientists see the one-way light

Nonlinear materials that allow directional discrimination of waves could be used to make components for light-based computers.

Space

Atom & Cosmos

How to hunt for extraterrestrials, plus cosmic bursts, horseshoe orbits and more in this week’s news.

Humans

Killing fields of ancient Syria revealed

Stone corrals were used to trap whole herds of animals for mass slaughter.

Anthropology

American Association of Physical Anthropologists

Hobbit dentistry, ancient footprints and navigating gibbons in news from the recent physical anthropology meeting.

Space

NASA pulls out of astrophysics missions

Europe is now on its own for two planned spacecraft to study black holes and gravitational waves.