NASA instruments image fireball over Bering Sea

On Dec. 18, 2018, a large "fireball—the term used for exceptionally bright meteors that are visible over a wide area—exploded about 16 miles (26 kilometers) above the Bering Sea. The explosion unleashed an estimated 173 ...

Image: Northeast Kenya

Captured on 1 October 2018 by the Copernicus Sentinel-2A satellite, this image features part of northeast Kenya – an area east of the East African Rift.

The world's shortest laser pulse

ETH researchers succeeded in shortening the pulse duration of an X‑ray laser to only 43 attoseconds. With a time resolution in the range of a few quintillionths of a second, they are now able for the first time to observe ...

Tracking real-time proton induced radiation chemistry in water

Proton therapy is a promising form of radiation treatment used to kill cancerous cells and effectively halt their rapid reproduction. While this treatment can also be delivered in different modalities (i.e. electrons and ...

Catching a glimpse at enzymes on the job

AAA+ ATPases are a large family of ubiquitous enzymes with multiple tasks, including the remodelling of the cellular proteome, i.e. the ensemble of proteins in a biological cell. A subfamily, so-called unfoldases, recognize, ...

page 3 from 6