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The Latest Breaking News from Live Science

Current AI models a 'dead end' for human-level intelligence, scientists agree

In a new survey, 76% of scientists said that scaling large language models was "unlikely" or "very unlikely" to achieve AGI.

LiveScience

HIV-funding cuts could lead to nearly 3 million extra deaths by 2030, study suggests

A modeling study looked at how anticipated cuts to international HIV funding would affect the rate of new cases and HIV-related deaths in low- and middle-income countries.

LiveScience

Archaeologists may have finally discovered famous 'lost' canal built by Julius Caesar's uncle

Scientists may have just found a canal the Romans built 2,100 years ago while battling the Celts.

LiveScience

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Brain aging accelerates dramatically around age 44 — could ketone supplements help?

A study of thousands of people finds that neural connections in the brain start to break down quickly around age 44, but the research hints that ketone supplements could potentially help slow that brain aging.

LiveScience

Scientists thought sharks didn't make sounds — until this accidental discovery

Scientists noticed the clicking sound after handling the rig sharks during routine behavioral experiments.

LiveScience

'Exquisitely preserved' ginormous claws from Mongolia reveal strange evolution in dinosaurs

A new species of dinosaur named Duonychus tsogtbaatari has been discovered by scientists, and unlike other therizinosaurs, this species has only two clawed fingers instead of three.

LiveScience

'Very rare' black hole energy jet discovered tearing through a spiral galaxy shaped like our own

Scientists have discovered a star-smothering black hole energy jet tearing through a galaxy similar to the Milky Way.

LiveScience

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Ancient Egyptian pyramids, thought to contain only the elite, may also hold low-class laborers

At the site of Tombos, archaeologists have found that less-affluent laborers may be buried with upper-class people in pyramid tombs.

LiveScience

Intelligent aliens would need a power supply to jump-start their civilization — would they require fossil fuels?

Fossil fuels powered the industrial revolution. Would aliens need a similar power source to jump-start a technical revolution?

LiveScience

Silent X chromosome genes 'reawaken' in older females, perhaps boosting brain power, study finds

Females have one active X chromosome and one dormant X chromosome in each cell. But a study suggests that genes on the dormant X get "reawakened" later in life, potentially giving the brain a boost.

LiveScience

In a 1st, trial finds vitamin D supplements may slow multiple sclerosis. But questions remain.

A new clinical trial has shown for the first time that taking high doses of vitamin D could stave off the progression of multiple sclerosis. However, much more research is warranted to confirm these findings.

LiveScience

High-school student accidentally discovers black hole 'light echo' twice as wide as the Milky Way

While sifting out signatures of supernova remnants, a high-schooler stumbled upon the afterglow of a dormant black hole. It may be one of the largest ever seen.

LiveScience

Why don't all birds fly?

Why don't some birds, like penguins, ostriches and kiwis, take to the skies?

LiveScience

Science news this week: 'Stranded' astronauts return and mystery human ancestor

March 22, 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

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3,200-year-old Egyptian tomb may belong to military commander who served under Ramesses III

The ancient Egyptian tomb holds the remains of a man with a gold ring bearing the name of Ramesses III.

LiveScience

Simple blood tests could be the future of cancer diagnosis

Blood tests that detect early cancer are coming to market. Could they lead to earlier diagnosis and treatment?

LiveScience

Are you protected against measles? Do you need a booster shot? Everything you need to know about immunity

There have been hundreds of measles cases reported in the U.S. since the beginning of the year. Here's what you need to know about measles immunity.

LiveScience

Yellowstone's iconic bison herds have merged into a single entity after 100 years of wandering the park

More than 100 years after bison from other regions were introduced to the park, the two genetically distinct herds have finally become one.

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LiveScience

Chinese scientists use laser drones to count the country's trees — all 142.6 billion of them

Researchers have counted the number of trees in China and mapped their distribution across the country using a laser-based technique called lidar.

LiveScience

Futuristic, 'alien-like' nuclear fusion rockets developed in total secret could revolutionize space travel — if they actually work

U.K. start-up Pulsar Fusion has unveiled plans to build a fleet of reusable nuclear fusion-powered rockets, known as Sunbirds, that could cut journey times across the solar system in half. But not everyone is convinced.

LiveScience

Biological secrets of world's oldest woman, Maria Branyas Morera, revealed after death

A study of a woman who died in 2024 as the oldest person on Earth attempts to untangle the factors that enable some people to ward off disease in old age.

LiveScience

Smallest human relative ever found may have been devoured by a leopard 2 million years ago

The left hip and leg bones from a young female Paranthropus robustus discovered in South Africa show she was extremely short — and ended up as a leopard's lunch.

LiveScience

Ancient Egyptian soldiers and Greek mercenaries were at 'Armageddon' when biblical king was killed, study suggests

Archaeologists have discovered evidence of an Egyptian army where an Israelite king was killed. The discoveries at Megiddo, which inspired "Armageddon," reinforce biblical stories about King Josiah of Judah.

LiveScience

'The universe has thrown us a curveball': Largest-ever map of space reveals we might have gotten dark energy totally wrong

Findings from the Dark Energy Spectroscopic Instrument (DESI) suggest that dark energy could be evolving over time. If they're right, cosmology will need a new model.

LiveScience

'We have to fight for a better end': Author John Green on how threats to USAID derail the worldwide effort to end tuberculosis

Live Science spoke with author John Green about his latest book, which explores both the history and current realities of tuberculosis.

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