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Climate Change

Air-Conditioning Discovery Eliminates Harmful Gases

Heat pumps are ubiquitous in the form of air conditioners. Scientists just invented one that avoids harmful refrigerant gases

Davide Castelvecchi and Nature magazine

Defense

The Members of This Reservation Learned They Live with Nuclear Weapons. Can Their Reality Ever Be the Same?

The Mandan, Hidatsa and Arikara peoples are learning more about the missiles siloed on their lands, and that knowledge has put the preservation of their culture and heritage in even starker relief...

Ella Weber

Defense

What Would聽It聽Mean to聽'Absorb'聽a Nuclear Attack?

The missiles on the Fort Berthold Reservation in North Dakota make it a potential target for a nuclear attack. And that doesn’t come close to describing what the reality would be for those on the ground...

Ella Weber

Inequality

ChatGPT Replicates Gender Bias in Recommendation Letters

A new study has found that the use of AI tools such as ChatGPT in the workplace entrenches biased language based on gender

Chris Stokel-Walker

Artificial Intelligence

When It Comes to AI Models, Bigger Isn’t Always Better

Artificial intelligence models are getting bigger, along with the data sets used to train them. But scaling down could solve some big AI problems

Lauren Leffer