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The Latest Breaking News from Live Science

Threaten an AI chatbot and it will lie, cheat and 'let you die' in an effort to stop you, study warns

In goal-driven scenarios, advanced language models like Claude and Gemini would not only expose personal scandals to preserve themselves, but also consider letting you die, research from Anthropic suggests.

LiveScience

Indigenous funeral urns discovered on human-made islands in Amazon rainforest

Giant ceramic pots made centuries to millennia ago were found to hold human bones, while others held a mixture of seeds and the remains of fish, frogs and turtles.

LiveScience

New 'breathalyzer' could detect signs of disease in human breath, scientists say

Scientists have developed a device intended to detect disease markers in human breath, which could someday offer a potential alternative to blood, urine or saliva tests.

LiveScience

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Some early-onset cancers are on the rise. Why?

The rates of certain early-onset cancers are on the rise. The reasons are complex, experts say.

LiveScience

Salmon-hat wearing orcas also give each other massages with kelp, scientists discover

Orcas have been spotted giving each other rubdowns with kelp tools, rubbing pieces of the seaweed between their bodies.

LiveScience

Did light exist at the beginning of the universe?

Was it dark after the Big Bang, or did light shine immediately?

LiveScience

Nobel laureate concerned about AI-generated image of black hole at the center of our galaxy

Researchers used an AI model to create a new image of the black hole at the center of the Milky Way, with some concern from experts.

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AI hallucinates more frequently as it gets more advanced — is there any way to stop it from happening, and should we even try?

OpenAI's most advanced reasoning model is smarter than ever — but it hallucinates more than previous models, too.

LiveScience

Which animals can hold their breath underwater the longest?

Many animals that live in water need to come up to the surface to breathe, but they can still spend impressive lengths of time submerged thanks to a few clever tricks.

LiveScience

Plants have a secret, second set of roots deep underground that scientists didn't know about

A global analysis deep in soil found 20% of plants studied have an unexpected deeper set of roots more than 3 feet underground.

LiveScience

Hells Canyon caves reveal unexpected finding about America's deepest gorge

About 2,000 feet deeper than the Grand Canyon, Hells Canyon was rapidly carved when a lake spilled over about 2.1 million years ago, new research estimates.

LiveScience

Ketamine may treat depression by 'flattening the brain's hierarchies,' small study suggests

Ketamine leads to increased communication between areas of the brain that don't typically engage with each other, new research suggests.

LiveScience

Viking Age burial of chieftain with 'enormous power' found in Denmark — and he may have served Harald Bluetooth

Archaeologists were surprised to find 30 Viking Age burials in Denmark, and even more surprised by the extravagant grave goods found within them.

LiveScience

We may finally know how Tylenol works — and it's not how we thought

According to a new study in rats, a key byproduct of acetaminophen, called AM404, may block pain at the source before it has a chance to reach the brain.

LiveScience

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LiveScience

How did Ramesses II die — and did his more than 100 children fight for the throne?

Ramesses II was around 90 years old when he died, an astonishing age for ancient Egypt.

LiveScience

Evidence is building that people were in the Americas 23,000 years ago

A new analysis of the ancient human footprints at White Sands National Park in New Mexico offers more evidence that they are around 23,000 years old.

LiveScience

The brain might have a hidden 'off switch' for binge drinking

Flipping the switch on fewer than 500 neurons dramatically reduces the alcohol consumption of mice. This novel finding could lead to new targets for therapeutics.

LiveScience

1 psychedelic psilocybin dose eases depression for years, study reveals

Half a decade after receiving a psychedelic treatment for depression, two-thirds of patients in a new study remained in remission.

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LiveScience

'Huge surprise' reveals how some humans left Africa 50,000 years ago

How did Homo sapiens manage to leave Africa around 50,000 years ago, when earlier treks out of the continent had ended in failure?

LiveScience

'Artificial intelligence is not a miracle cure': Nobel laureate raises questions about AI-generated image of black hole spinning at the heart of our galaxy

Researchers have used an AI model to create a new image of the black hole at the center of our galaxy. But some experts are skeptical of the results.

LiveScience

Why is the Pacific Ocean so big?

Look at any world map and you'll see that the Pacific is the largest ocean. But how did it get so big?

LiveScience

Does the color purple really exist?

The color purple is, in a way, invented by our brains.

LiveScience

Science news this week: Overdue earthquakes and star-shaped brain cells

June 14, 2025: Our weekly roundup of the latest science in the news, as well as a few fascinating articles to keep you entertained over the weekend.

LiveScience

'Completely new and totally unexpected finding': Iron deficiency in pregnancy can cause 'male' mice to develop female organs

Low iron levels can flip the genetic switch on a mouse's sex during development, causing XY embryos to grow female features. But it's not clear whether the effect applies to humans.

LiveScience

Groundwater in the Colorado River basin won't run out — but eventually we won’t be able to get at it, scientists warn

The Colorado River basin has lost a Lake Mead’s worth of water in the last 20 years — and scientists say we’re passing a "critical point" where pumping groundwater will become too expensive.

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