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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.

Humans

Human bones found in Spanish cave show signs of ancient cannibalism

Hundreds of pieces of bone dating from 5700 years ago carry evidence of being processed and eaten by other humans, bolstering the idea that cannibalism was common in the Neolithic period

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Space

How we could explore a black hole with an interstellar nanocraft

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People letting off steam at a laughter yoga session in Kolkata, India

Health

Laughter therapy really could boost your emotional well-being

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Health

NHS talking therapies seem to be less effective for younger adults

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Health

What you need to know about mRNA vaccines in light of RFK’s claims

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Health

Human eggs don’t accumulate as many mutations with age as we thought

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Life

Cockatoos have an impressively wide repertoire of dance moves

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Health

Key genetic differences found in people with chronic fatigue syndrome

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Editorial use only. HANDOUT /NO SALES Mandatory Credit: Photo by NSTITUTE OF VOLCANOLOGY AND SEISMOLOGY FEB RAS HANDOUT/EPA/Shutterstock (15425655c) A handout photo made available by the Institute of Volcanology and Seismology FEB RAS shows the Krasheninnikov Volcano spewing smoke and ash during an eruption in the Kamchatka Territory, Russia, 03 August 2025. Scientists have recorded the eruption of the Krasheninnikov volcano in Kamchatka for the first time, the Kamchatka Volcanic Eruption Response Team (KVERT) of the Institute of Volcanology and Seismology (IVS) of the Far Eastern Branch of the Russian Academy of Sciences reports. According to the staff of the Kronotsky Nature Reserve, ash emissions are now reaching a height of 5-6 km above sea level, and part of the territory of the reserve is covered with ash deposits. the Krasheninnikov Volcano erupt in the Kamchatka Territory, Russian Federation - 03 Aug 2025

Earth

Russian volcano erupts for the first time in 600 years

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Chemistry

Super-sticky hydrogel is 10 times stronger than other glues underwater

Researchers analysed thousands of natural protein sequences and got assistance from AI in order to design a new hydrogel adhesive that can stay sticky underwater or even within a living body

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Health

Low dose of lithium reverses Alzheimer’s symptoms in mice

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Humans

Ancient tools on Sulawesi may be clue to origins of ‘hobbit’ hominins

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Health

Short course of psychotherapy relieves lower back pain for three years

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Environment

We can repurpose retired coal plants to produce green energy

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