Environment
Why we urgently need to talk about geoengineering
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This week's magazine
On the cover
Table of contents
Leaders
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Mathematics
Mathematicians are chasing a number that may reveal the edge of maths
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Environment
Forests' vanishing snow is also bad news for carbon storage
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Environment
Geoengineering could avoid climate tipping points, but not if we delay
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Environment
What will be the climate fallout from Trump's 'big beautiful bill'?
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Health
A youthful brain and immune system may be key to a long life
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Health
Herpes virus could soon be approved to treat severe skin cancer
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Life
Colossal's plans to "de-extinct" the giant moa are still impossible
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Technology
Surgical robots take step towards fully autonomous operations
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Life
Oldest proteins yet recovered from 18-million-year-old teeth
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Health
Antidepressant withdrawal symptoms may be less common than we thought
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Space
Astronomers found a completely new type of plasma wave near Jupiter
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Environment
Climate could warm another 0.5°C if we fail to capture far more CO2
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Mind
Fatal genetic disorder treated by replacing the brain's immune cells
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Life
Peculiar plant could help us reconstruct ancient Earth’s climate
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Space
Interstellar visitor 3I/ATLAS might be the oldest comet ever seen
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Environment
Artificial cooling 'urgent' for Great Barrier Reef after warming spike
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Environment
Trees on city streets cope with drought by drinking from leaky pipes
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Health
Hay fever relief could come in the form of a nasal 'molecular shield'
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Space
We may have finally solved an ultra-high-energy cosmic ray puzzle
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Environment
Most warming this century may be due to air pollution cuts
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Space
Water might be even more important for alien life than we thought
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Environment
Greenland village has close encounter with giant iceberg
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![Encounter Within One Second ? Zhang Yanguang This image captures the International Space Station (ISS) transiting across the solar disc. The solar background was captured separately with double-stacked etalon[an optical filter that isolates specific wavelengths, used to observe solar details], and reveals high-contrast chromospheric details. The imaging sequences were strategically combined during post-processing to preserve both the spacecraft?s crisp silhouette and the Sun?s intricate surface features. Taken with a Takahashi Teegul 60 telescope, Coronado SolarMax 60 double stacked, Vixen polaris mount, Player One Astronomy Neptune-M camera, 500 mm f/8.3, 0.3-millisecond exposure Location: Xiamen, Fujian, China, 24 January 2025](https://images.newscientist.com/wp-content/uploads/2025/07/15105751/SEI_258290913.jpg)
