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MANHATTAN, NEW YORK, UNITED STATES - 2024/09/20: Participant seen holding a sign at the protest. Youth climate activists and allies rallied and marched through New York City calling on world leaders to tear down the pillars of fossil fuels, shortly before the beginning of the United Nations General Assembly and the concurrent Climate Week NYC. (Photo by Erik McGregor/LightRocket via Getty Images)

Environment

There's a new way to make everyday products without using fossil fuels

Everyday household products are made almost entirely from newly extracted fossilised carbon. But 'defossilisation' is an exciting alternative, finds Graham Lawton

Comment

Should chatbots have rights – and should we care?

Technology

Should chatbots have rights – and should we care?

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False-colour scanning electron micrograph of skin from the palm of the hand of a 30 year old man. The skin here is neatly arranged in ridges. Sweat pores are seen as miniature craters along the ridges. The cells forming the external surface of the skin, or epidermis, have been flattened & hardened by deposition within them of the fibrous protein keratin. This tough, dead layer of cells is shed continuously & is replaced by new, maturing cells which take a month to migrate from the base of the epidermis. Magnification: x20 at 6x4.5cm size

Health

Forget aesthetics, the reason to look after our skin should be health

Leader

On 22 August 2024, summit staff reinstalled Rubin Observatory's commissioning camera (ComCam) on the telescope. ComCam has previously been on the telescope, but was removed before the installation of the secondary mirror in late July. ComCam ??? a smaller (144 megapixel), simpler version of the full 3200-megapixel LSST Camera ??? is being used for testing activities prior to installing the LSST Camera, anticipated to happen late 2024. In the coming weeks the summit team will install the primary/tertiary mirror, enabling ComCam to produce the first astronomical data from the Simonyi Survey Telescope.

Space

The Vera C. Rubin Observatory gets started next year. I can't wait

Comment

Science can be our trusty shield in a time of deepening crises

Physics

Science can be our trusty shield in a time of deepening crises

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2KEFP4Y London, England, UK. 12th Nov, 2022. A protester outside Shell HQ holds a sign referencing the film 'Don't Look Up'. Thousands of people gathered outside Shell Headquarters in London and marched to Trafalgar Square as part of the Global Day of Action for Climate Justice as world leaders meet in Egypt for COP27. (Credit Image: ?? Vuk Valcic/ZUMA Press Wire) Credit: ZUMA Press, Inc./Alamy Live News

Environment

After another dire year for the environment, here's to better times

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Lidar and crest lines, Tugunbulak Credit: SAIElab, J. Berner, M. Frachetti https://press.springernature.com/large-scale-medieval-urbanism-traced-by-uav-lidar-in-highland-ce/50086460

Technology

High-tech archaeology shows we aren't the first to endure hard times

Comment

Members of the Indigenous People Association stage a protest to demand action on climate change, holding big head cut-outs of world leaders U.S. President Joe Biden, China's President Xi Jinping, European Commission President Ursula von der Leyen, India's Prime Minister Narendra Modi, Russian President Vladimir Putin and Japan's Prime Minister Shigeru Ishiba, on the waters of Botafogo Bay, ahead of the G20 Summit, in Rio de Janeiro, Brazil November 16, 2024. REUTERS/Tuane Fernandes SEARCH

Environment

To fix the world's problems, we need both optimism and pessimism

Leader

Could hibernation technology allow humans to skip winters?

Humans

Could hibernation technology allow humans to skip winters?

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T85947 Space elevator, illustration

Space

How a space elevator could make trips to the moon affordable for all

Our Future Chronicles column explores an imagined history of inventions and developments yet to come. We journey to 2055, when a space elevator from the moon’s surface to near-Earth orbit was completed, opening space travel to all

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Health

Five years after the first covid-19 cases, there are lessons to learn

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Life

The theory of evolution can evolve without rejecting Darwinism

Leader

Technology

Banning scary-sounding ideas can comfort but does more harm than good

Leader

Technology

The forgotten civil engineer with a vision we could all learn from

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