What would it take for a cease-fire to happen in Gaza?

Calls for a cease-fire and other limits on military operations and violence were made by governments, advocacy groups and political leaders around the world almost immediately after the Oct. 7, 2023, massacre of 1,200 Israeli ...

Why climate change is a national security risk

Climate change is affecting practically everything on Earth, from natural systems to human endeavors. National security is no exception. The National Intelligence Council has found that "climate change will increasingly exacerbate ...

Infrared avalanche photodiodes from bulk to 2D materials

The avalanche multiplication effect can be used to detect low-power optical signals and even single photons due to the amplification mechanism within all main ranges: near- (NIR), short- (SWIR), mid- (MWIR) and long wavelength ...

Hilary weakens to tropical storm heading for California

Hurricane Hilary weakened to a tropical storm Sunday as it barreled up Mexico's Pacific coast, but was still likely to bring life-threatening flooding to the typically arid southwestern United States, forecasters said.

'Forever chemicals'? Maybe not

Dangerous "forever chemicals" left in the soil from firefighting foam could be destroyed by grinding, according to a proof-of-concept study by University of Auckland scientists collaborating with the U.S. Environmental Protection ...

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