How hot is Earth’s core?
When Earth first formed around 4.5 billion years ago, it was a ball of molten rock. Over time, heavier elements, like iron and nickel, sank...
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Ebola outbreak in Central Africa will be hard to contain, experts say
An Ebola epidemic in Central Africa has been declared a “public health emergency of international concern” by the World Health Organization (WHO). As of May...
Landmark finding that showed brains of kids with ADHD mature later was actually a mirage in the data, new research finds
Two decades ago, a landmark study showed that the brains of kids with attention-deficit/hyperactivity disorder (ADHD) take longer to mature. But new research suggests that...
Seal pups were dying from a ‘corkscrew killer’ on a Canadian island. It turned out to be cannibals.
Sable Island, off the coast of Nova Scotia, is home to the world’s largest gray seal breeding colony — and the site of a gruesome,...
Scientists claimed the world’s oldest rock art is 67,800 years old. But is the science behind that estimate flawed?
In recent years, researchers across the world have been publishing increasingly older ages for prehistoric rock art. Among the headliners is a painting of a...
Can AI really simulate human thinking? Research casts doubt on an influential study, suggesting an advanced model was just really good at memorizing patterns.
Researchers have cast doubt on an influential 2025 study that claimed a new artificial intelligence (AI) model could accurately simulate human thought. That study, published...
800-year-old ‘hugging skeletons’ are genetically confirmed as Poland’s only medieval same-sex double burial
About 800 years ago, two people were buried in an embrace in a prominent church in Poland. Now, a new DNA analysis of the “hugging...
‘I have no doubt that life is out there’: Why radio astronomers are convinced alien contact is only a matter of time
Over five decades ago, astronomer Frank Drake used one of Earth’s largest radio antennas to beam a coded message into space, hoping that it might...
China’s real-life ‘transformer’ mech is a giant humanoid robot that can switch from bounding on 4 legs to walking on 2
Unitree Unveils: GD01, A Manned Transformable Mecha, from $650,000 – YouTube Watch On Chinese engineers have built a mecha-style robot that can quickly transition from...
How can we prevent AI models from cannibalizing themselves when human-generated data runs out? Scientists say they’ve found the answer.
While the evolution of artificial intelligence (AI) systems has shown no sign of slowing, there’s a growing concern that large language models (LLMs) will soon...