Science
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Was Planet Nine exiled from the solar system as a baby?
An artist’s illustration of a potential Planet Nine Mark Garlick/Science Photo Library/Alamy If the solar system does have a Planet…
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The four types of imagination and how they create our worlds
Jonathan Knowles / Brett Ryder When did you last imagine? Very recently is the likely answer. Indeed, we spend as…
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Humans were crafting tools from whale bones 20,000 years ago
A projectile point, made from the bone of a grey whale, from the Duruthy rock shelter in Landes, France Alexandre…
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The sun is killing off SpaceX’s Starlink satellites
An artist’s impression of a Starlink satellite in orbit La Nacion/ZUMA Press/Alamy Eruptions from the sun are shortening the lives…
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How captured CO2 could help mine carbon-negative nickel
Olivine-rich rocks could be used to store CO2 and source key metals Marieke Peche/Getty Images Injecting carbon dioxide into rocks…
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Cord blood banking is not living up to its promise
Banking a baby’s umbilical cord blood was once seen as a reasonable way to protect their future health, but much…
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Physicists are waging a cosmic battle over the nature of dark energy
The Kitt Peak National Observatory, near Tucson, Arizona, is home to DESI KPNO/NOIRLab/NSF/AURA/P. Marenfeld Is dark energy changing, or is…
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Every Version of You review: Sci-fi debut is a brilliant look at a disturbing future
Would you leave a world wilting under a deadly sun for a digital utopia? Andriy Onufriyenko/Getty Images Every Version of…
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The handy piece of maths that can help with organising chores
“Mathematically, what are we trying to optimise?” John MacLean/Millennium Images, UK Scheduling household chores is hard. Say you have three…
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A photon caught in two places at once could destroy the multiverse
Is it time to say goodbye to the multiverse? SCIENCE PHOTO LIBRARY/Getty Images An advanced version of the famous double-slit…
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