Science

Biden signs executive order that seeks to grow artificial intelligence infrastructure in the U.S.

By Sarah Parvini, Associated Press

Tuesday's executive order directs federal agencies to accelerate large-scale AI infrastructure development at government sites.

Planes are dumping ocean water to fight the Los Angeles fires. Here’s why using saltwater is typically a last resort

By Patrick Megonigal, The Conversation

While the consequences of adding seawater to ecosystems are not yet well understood, we can gain insights on what to expect by considering the effects of sea-level rise.

Jeff Bezos’ Blue Origin calls off debut launch of massive new rocket in final minutes of countdown

By Marcia Dunn, Associated Press

Launch controllers had to deal with an unspecified rocket issue in the final minutes of the countdown and ran out of time.

What an ancient ice core from Antarctica can tell us about our climate’s past and future

By John Yang, Harry Zahn

Scientists say they have tapped into an extraordinary archive of the Earth’s climate in the ice deep beneath Antarctica. They hope it will help them understand both how the climate changed in the past, how it’s changing now and how…

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Dreaming of spring gardening? Bees and other pollinators like a variety of flowers

By Laura Russo, The Conversation

For those thinking ahead to spring gardening, a biologist explains what to focus on when designing a garden with pollinators in mind and what not to worry about.

How Santa Ana winds have fueled the deadly fires in Southern California

By Jon Keeley, The Conversation

By the time the winds get to the point where the Eaton Fire broke out in Altadena on Jan. 7, it’s not uncommon for them to have less than 5 percent relative humidity, meaning essentially no moisture at all.

Antarctic scientists drill 2 miles down to reach 1.2 million-year-old ice

By Paolo Santalucia, Associated Press

An international team of scientists say they’ve successfully drilled one of the oldest ice cores yet, penetrating nearly 2 miles to Antarctic bedrock to reach ice that's at least 1.2 million years old.

A quarter of the world’s freshwater animals are threatened with extinction, new research shows

By Christina Larson, Associated Press

New research shows about a quarter of animals living in rivers, lakes and other freshwater sources are threatened with extinction.

Alcohol’s cancer risk should be clearly labeled on drinks, Surgeon General says

By Amanda Seitz, Associated Press

Alcohol is a leading cause of cancer, a risk that should be clearly labeled on drinks Americans consume, U.S. Surgeon General Vivek Murthy proposed on Friday.