02/09/2021

Changing winds provide hope for California wildfire battle

Better weather on Thursday helped the battle against a huge California forest fire threatening communities around Lake Tahoe, but commanders warned firefighters to be prepared for dangers that still pose a risk.

US grounds Virgin Galactic after space flight 'mishap'

The US Federal Aviation Administration (FAA) on Thursday said it was grounding space flights by Virgin Galactic while it investigates why the company's July mission carrying Richard Branson deviated from its planned trajectory.

Putting a new theory of many-particle quantum systems to the test

New experiments using trapped one-dimensional gases—atoms cooled to the coldest temperatures in the universe and confined so that they can only move in a line—fit with the predictions of the recently developed theory of "generalized ...

Do we need an IPCC for food?

The first United Nations Food Systems Summit (UNFSS), scheduled for September, could be as historic to food system transformation as the Rio Earth Summit of 1992 was to climate change. Rio sparked the creation of the Intergovernmental ...

Study reveals extreme winter weather is related to Arctic change

A new study shows that the frequency of polar vortex disruptions that is most favorable for extreme winter weather in the United States is increasing, and that Arctic change is likely contributing to the increasing trend. ...

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