News
- Physics
Atomic clocks take a step toward redefining the second
Measurements of the clocks’ frequencies provide the most precise clock comparisons yet, with uncertainties less than a quadrillionth of a percent.
- Astronomy
A new black hole image reveals the behemoth’s magnetic fields
A new analysis of Event Horizon Telescope data from 2017 brings to light the magnetic fields twisted around the black hole at the core of galaxy M87.
- Animals
Dim lighting may raise the risk of a West Nile virus exposure
Dimly lit nights increased risk of West Nile virus exposure in chickens. Artificial light proved a better predictor of risk than population or paving.
