Science
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Earth’s oceans may have been green for billions of years
The sea around Iwo Island, one of the Satsunan Islands off the coast of Japan, is green because of high…
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When did time begin? Hint: It wasn’t at the big bang
NASA/Adboe Stock/ Ryan Wills Our universe is expanding, so it must have been smaller in the past. Indeed, if we…
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Why it’s so hard to tell when Homo sapiens became a distinct species
John Bavaro Fine Art/Science Photo Library For the vast majority of our planet’s history, there were no humans. Today, there…
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The 7 most consequential moments in the history of everything
If there is one word associated with scientific curiosity, it’s “why”. Why is the universe expanding? Why are cases of…
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How the drone battles of Ukraine are shaping the future of war
Ukrainian troops have made extensive use of drones KATERYNA KLOCHKO/EPA-EFE/Shutterstock Ukraine and Russia are now three years into what has been called the…
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Asteroid 2024 YR4: Odds of collision with Earth in 2032 have reached new high
An artist’s impression of what asteroid 2024 YR4 could look like as it approaches Earth in December 2032 NASA NASA…
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AI-generated optical illusions can sort humans from bots
An AI-generated image of a city skyline and a man’s face – but AIs are unable to see both Ziqi…
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From headaches to tics, how mass nocebo effects spread real symptoms
Centuries ago, witches and shamans would mutter curses with the intention of spreading illness. Today, certain social media feeds may serve…
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CAR T-cells enable record-breaking 18-year nerve cancer remission
A microscopic image of a neuroblastoma tumour Simon Belcher/Alamy A cancer therapy that uses genetically engineered immune cells, called CAR…
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Eight habits that could keep your heart healthy
Exercise is very important for heart health SolStock/Getty Images Being active and getting enough sleep are just two of eight…
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