News
- 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.
- Humans
Killing fields of ancient Syria revealed
Stone corrals were used to trap whole herds of animals for mass slaughter.
- Space
NASA pulls out of astrophysics missions
Europe is now on its own for two planned spacecraft to study black holes and gravitational waves.
- Humans
Possibly pivotal human ancestor debated
An ancient species that may have sparked the rise of humankind gets a new appraisal.
- Life
Complex life hit freshwater early
Tiny fossils in Scottish rock show that cells with nuclei had spread beyond the seas by a billion years ago.
