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Explore the most exciting new ideas and emerging concepts in science, health, technology and the environment with 91av’s exclusive in-depth articles, interviews and long reads.

Tissue from a pig kidney that has been transplanted into a brain-dead man

Health

Pig kidney transplant in brain-dead man still functions after a month

It has been 32 days since Maurice Miller, a dead man who is being kept on life support, received a genetically modified pig kidney, and it is still functioning with no signs of rejection or infection

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Yeast - Saccharomyces cerevisiae

Technology

Gene-edited yeasts transform bread and give rice wine a banana taste

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Health

Inhalable mRNAs will boost vaccines and therapies for lung conditions

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Environment

Why knowing how climate change contributes to extreme weather is key

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Starfield - Elements of this Image Furnished by NASA ; Shutterstock ID 295846730; purchase_order: -; job: -; client: -; other: -

Physics

Why Isaac Newton’s laws still give physicists a lot to think about

News
ATHENS, GREECE - JULY 23: A woman use umbrella to protect themselves from the sun as they visit the Parthenon temple atop the Acropolis hill, during a hot weather in Athens, Greece on July 23, 2023. Visits to certain tourist sites, including the Acropolis, home to the Parthenon temple, in Athens, temporarily closed due to a fierce heatwave. (Photo by Costas Baltas/Anadolu Agency via Getty Images)

Environment

Fighting climate change means avoiding doomism as well as denial

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Physics

Springy ice seen for the first time may explain how clouds make rain

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Humans

Ötzi the iceman was dark-skinned and balding, suggests genome analysis

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Health

Wiping stem cells ‘clean’ could make them easier to produce

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Environment

Is climate change accelerating and is it worse than we expected?

With temperature records tumbling, it is only natural to worry about cascading tipping points, but the reality is far more nuanced

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Environment

What made July 2023 the hottest month ever recorded?

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Environment

The renewable energy revolution is happening faster than you think

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Environment

Spreading climate doom may make it harder to halt global warming

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Health

Air-purifying lampshade reduces indoor pollution via chemical reaction

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