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A sign requiring face covering is pictured at a beach in San Diego, July 10, 2020.

Q&A: Expert reacts to President's 'test to treat' plan to combat COVID-19

Infectious disease expert Dr. Eric Topol reacts to President Biden's "test to treat" COVID-19 plan, as well as to revised masking guidance in California.

New mineral 'davemaoite' made an unlikely journey from the depths of the Earth

A rare mineral from Earth's lower mantle has been discovered inside a diamond from Botswana. The find breaks open a window into deep-Earth chemistry.

Dr. Anthony Fauci and White House press secretary Jen Psaki face reporters Thursday during the daily White House briefing.

After Sparring With Trump, Fauci Says Biden Administration Feels 'Liberating'

Dr. Anthony Fauci and former President Trump butted heads, leading to a public rift between the pair. Fauci says he now feels free to "let the science speak."

Demonstrators from Extinction Rebellion hold placards at a protest about Loss and Damage to the earth during the COP26 Climate Change conference in Glasgow, Scotland, Sunday, Nov. 7, 2021.

Despite lofty goals, COP26 falls short on many key commitments

With the COP26 climate conference finished, global leaders now have the task of following up on ambitious promises made to help fight climate change.

Testing temperature with your ears

Chefs in Japan dip a wet chopstick in hot oil and listen to the sizzle, to know when it's ready for tempura. A physicist investigated that technique in the lab to zero in on the perfect fry frequency.

Political newcomer Carrick Flynn, right, has raised millions of dollars from outside groups ranging from one backed by a 30-year-old crypto billionaire to another that is backed by congressional Democratic leaders.

Bitter feuds and crypto ties: Inside one of the most expensive Democratic primaries

The race in the newly created district has seen party infighting, mysterious ties to cryptocurrency and a complaint to the Federal Election Commission.

Scientists once compared the abilities of humans versus canines in tracking a trail of chocolate essential oil laid down in an open field. Though the humans weren't nearly as proficient as the dogs, they did get better with practice.

Will My Sense Of Smell Ever Return? Olfactory Insights From COVID And Beyond

COVID-19 has renewed interest in a key way humans perceive the world. A reporter who hasn't been able to tell the scent of a rose from a sweaty gym shoe for decades takes heart in the latest science.

After listening to hours of bat pups in the wild, scientists have identified eight characteristics of babbling that are shared by human babies and the greater sac-winged bat.

Bats Love To Babble — Just Like Humans

New research finds that sac-winged bat pups — a species of bat found in Central and South America — like to "babble" in ways that are remarkably similar to human babies.

Shigella is a huge problem around the world. The bacteria infect about 100 million people each year and kill about 600,000.

San Diego County reports five additional Shigella cases among homeless

The 34 cases in the outbreak represent 10.6% of the 319 total cases reported to date in San Diego County.

People attend the Beijing 2022 Paralympic Winter Games 100 Day countdown event at the National Aquatic Center in Beijing, China, on Nov. 24, 2021.

China is a Paralympics star, but its people with disabilities face high hurdles

China has dominated the medal count at the last five Paralympic Games. That's in stark contrast with the low level of disability access in Chinese society.

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