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As deepfake generation technology improves and leaves ever-fewer telltale signs that humans can rely on, computational methods for detection are becoming the norm. But technological solutions are no silver bullet for the problem of detecting AI-generated voices.

Using AI to detect AI-generated deepfakes can work for audio — but not always

Now that people can easily create real-sounding voices with artificial intelligence, detection technologies are racing to catch deepfake audio, but it's a tough game of whack-a-mole.

Young anchovy collected and stored at the California Cooperative Oceanic Fisheries Investigation library in San Diego on Dec. 4, 2023.

San Diego researchers seek key to understanding volatile anchovy population shifts

Newly published research in San Diego finds a link between the boom and bust population shifts of anchovies off the Southern California coast and the length of the food chain that nurtures them when they are young.

Steve Israel, a septic shock survivor, is shown in this portrait taken March 8, 2024. Seven years ago. He suffered multiple organ failure and had to be medevaced to UC San Diego Medical Center.

New tools in the fight to stop a mysterious killer called sepsis

Sepsis is an out of control infection that’s hard to spot and explain. At UCSD doctors and med-tech engineers are trying to crack the code with new diagnostic machines and artificial intelligence.

Dr. Carl Shy, a public health researcher, cooks on his electric stove at his home. In 1970, he published a study showing that families exposed to greater levels of the air pollutant nitrogen dioxide outdoors had higher rates of respiratory illness than families in less-polluted areas.

How gas utilities used tobacco tactics to avoid gas stove regulations

Gas stoves emit potentially harmful pollutants, but utilities and their trade group avoided regulation with tactics perfected by the tobacco industry to cast doubt on science showing health problems.

President Biden is rated highly in a survey of historians on presidential greatness — but he's in a tight election race with former President Donald Trump, who is ranked last.

In historians' Presidents Day survey, Biden vs. Trump is not a close call

A survey of historians and presidential experts ranks President Biden in 14th place all-time, just ahead of Woodrow Wilson and Ronald Reagan. Former President Donald Trump came in last.

The murderous creature you live with is a murderous creature, a study confirms

More scientific evidence has surfaced to show that while Mittens may be your sweet angel, letting her roam outside is also a big threat to biodiversity.

This building in Rafah, in southern Gaza, was destroyed by Israeli bombardment in December. amid continuing battles between Israel and Hamas.

Even if there's a ceasefire, thousands of deaths projected in Gaza over next 6 months

A team of researchers tried something that's never been done as a conflict rages. Instead of trying to calculate the toll of war in the moment, they looked forward. What's the reaction to their study?

Students at The Wesley School in the Los Angeles neighborhood of North Hollywood collected their food waste for a year and turned it into compost.

How to inspire climate hope in kids? Get their hands dirty

A school composting program in Los Angeles helps teach students how to take climate action through its composting program.

English peas grow in simulated Martian dirt.

Can we grow veggies on Mars? Fly larvae and synthetic soil may hold the answer

A Texas undergrad is investigating how to grow vegetables on Mars — and has cultivated test samples of English peas in simulated Martian soil, with fertilizer from fly larvae.

Bad Bunny performs on SNL on Oct. 21, 2023.

'SNL' just wrapped its 49th season: It's time to cruelly rank its musical guests

From Billie Eilish to Bad Bunny, JT to J.Lo, boygenius to Ice Spice, here they are: the home-run performances, the solid base hits and the outright whiffs.

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