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nuclear weaponry

Una distintiva nube en forma de hongo producto de una prueba nuclear se alza en un cielo azul oscuro y nubes atmosféricas.
Posted inNews

Una explosión de radiocarbono del pasado

by Caroline Hasler 31 October 202231 October 2022

El fechamiento por radiocarbono es un pilar de la climatología y la arqueología. Sin embargo, esta metodología se encuentra amenazada por las emisiones de combustibles fósiles, que invalidan una señal útil proveniente de pruebas nucleares.

A distinctive mushroom cloud blossoms over the cloud line during detonation of the Ivy Mike hydrogen bomb in 1952.
Posted inNews

Radiocarbon’s Blast from the Past

by Caroline Hasler 15 September 202231 October 2022

Radiocarbon dating is a cornerstone of climate and archaeological sciences. But the method is under threat as fossil fuel emissions negate a useful signal from atomic tests.

Posted inEditors' Highlights

The Long-Lasting Impact of a Nuclear War on the Ocean

by Nicolas Gruber 12 September 202227 September 2022

Model simulations of the impact of a large-scale nuclear war reveal long lasting effects with much of the ocean not returning to pre-war levels despite the cessation of the initial cooling.

Artistic rendition of Earth with a section removed, exposing yellow, orange, and red layers
Posted inNews

Earth’s Wobbly Inner Core Illuminated by Nuclear Explosions

by Jennifer Schmidt 21 July 20221 August 2022

Shock waves from Cold War era nuclear tests gave seismologists a glimpse of the inner core. Its wobbly rotation could explain phenomena such as the periodic change in the length of a day.

Photograph of two people standing next to the Doomsday Clock
Posted inNews

Climate Scientist Reflects as Doomsday Clock Stays at 100 Seconds to Midnight

by Jenessa Duncombe 20 January 202221 January 2022

On the 75th anniversary of the Doomsday Clock, major threats against the world have not waned, say organizers.

Black and white image taken from the air of a massive plume of smoke and a pyrocumulonimbus cloud over Earth’s surface
Posted inOpinions

Geoscientists Can Help Reduce the Threat of Nuclear Weapons

by Alan Robock and Stewart C. Prager 2 December 20213 December 2021

A nuclear war would claim many lives from its direct impacts and cause rapid climate change that would further imperil humanity. Scientists can help shape policies to put us on a safer path.

The mushroom cloud of the Frigate Bird nuclear test seen through an aircraft periscope
Posted inNews

Una Guerra Nuclear Podría Generar un “Niño Nuclear”

by Jenessa Duncombe 30 April 20204 February 2022

Una sacudida al sistema climático provista por una guerra nuclear podría provocar un fenómeno de el Niño como nunca habíamos visto.

Black-and-white image of a nuclear bomb exploding from underwater
Posted inNews

Podcast: Paradise Lost

by Lauren Lipuma 6 April 202028 September 2021

Nuclear bomb tests conducted during the Cold War turned an idyllic tropical isle into a radioactive ship graveyard.

The mushroom cloud of the Frigate Bird nuclear test seen through an aircraft periscope
Posted inNews

Nuclear War Would Spawn a “Nuclear” El Niño

by Jenessa Duncombe 2 March 20204 February 2022

A jolt to the climate system provided by nuclear war could spur an El Niño like we’ve never seen before.

Installation of the Doomsday Clock at 100 seconds to midnight
Posted inNews

Doomsday Clock Ticks Closer to Midnight

by Randy Showstack 23 January 20207 January 2022

The dual threats of nuclear warfare and climate change move the needle to 100 seconds to midnight.

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By Luke C. Skinner and Edouard Bard

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