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compassion; assistance; Shutterstock ID 366078215; purchase_order: -; job: -; client: -; other: -

Humans

What can we can learn from being the last type of human left standing?

Compassion and sociability helped Homo sapiens survive climatic changes that wiped out other types of humans. Will those skills be enough to survive another bout of climate change?

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2A2CJ55 Montreal, CA - 27 September 2019: More than 500 000 people take part in the Montreal Climate March.

New Scientist is 65 years old and our mission remains the same as ever

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Clean energy tech needs to be pursued despite the mining it involves

Clean energy tech needs to be pursued despite the mining it involves

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Alzheimer's disease. Series of coloured computed tomography (CT) scans of an axial section through the head of a 74-year-old patient with Alzheimer's disease. The front of the brain (brown) is at the top. Alzheimer's is a neurodegenerative disease and a common cause of dementia in the elderly. It causes brain atrophy (decrease in size), shown here by the enlarged ventricle cavities (white, at centre of brain) and the widened pale blue regions. The brain shrinkage caused by Alzheimer's disease leads to memory loss, confusion, personality changes and ultimately death. The cause of Alzheimer's disease is not known and there is no cure.

Mind

Treating Alzheimer's as having many causes may help us beat it

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Space junk concept. Toxic garbage in the space over Earth

Space

Why we need to get serious about solving the space junk problem

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Earth lake. An almost perfect circular lake shot straight down from the air resembles the earth surrounded by a pine forest; Shutterstock ID 1928690141; purchase_order: -; job: -; client: -; other: -

Environment

COP26: A moment for the world to truly confront the climate emergency

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Covid-19 RNA vaccine, illustration. The vaccine consists of strands of mRNA (messenger ribonucleic acid) encased in a lipid nanoparticle sphere. The mRNA codes for a mutated version of the viral spike protein found on the surface of the SARS-CoV-2 coronavirus that causes Covid-19. When injected into the body the mRNA is taken up by the body's cells, which manufacture copies of the protein. The proteins stimulate an immune response, causing the body to produce antibodies against the spike protein. This means that the body is primed to attack the virus should it be encountered after vaccination, preventing disease. The first RNA vaccine approved for human use, developed against the SARS-CoV-2 coronavirus by Pfizer/BioNTech, was approved in the UK on 2nd December 2020. 2DYDTXH Covid-19 RNA vaccine, illustration.

The mRNA technology behind covid-19 vaccines can transform medicine

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A new dawn in AI and quantum computing now looks tantalisingly close

Technology

A new dawn in AI and quantum computing now looks tantalisingly close

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D1P5RK Solar system, artwork

Space

Our cosmic neighbourhood has so many more secrets for us to reveal

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The UK energy crisis shows why it is time to look beyond fossil fuels

Environment

The UK energy crisis shows why it is time to look beyond fossil fuels

The gas crisis fatally undermines the argument that fossil fuels provide a stable, economically viable solution to satisfying our future energy needs

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Health

Covid-19 has laid bare social inequities – now is the time to fix them

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Health

Recommended daily health targets can save us from ourselves

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Environment

We finally have the tools to build a net-zero world

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Quantum theory continues to challenge our conception of reality

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