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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.

Life

New-to-science stick insect is the heaviest ever found in Australia

A giant stick insect species found in Australia’s Wet Tropics named Acrophylla alta can reach 40 centimetres in length and weigh 44 grams

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Humans

Ancient pots found near Pompeii contain 2500-year-old honey

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Earth

Meltwater bursts through Greenland ice in first-of-a-kind eruption

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Environment

Rust-based battery connects to an electricity grid for the first time

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Environment

California bets on iron-salt battery power to protect against wildfire

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Environment

Forests with robust animal populations store four times as much carbon

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Technology

Solar-powered ambush drones can wait for targets like land mines

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Health

Steadfast lifestyle changes seem best to improve cognitive decline

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Life

Puppy and cheetah cub make unlikely pair of step-siblings

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Physics

We may be able to share quantum entanglement nearly infinitely

A pair of quantum experimenters that share two entangled particles may be able to pass some of that entanglement to other pairs – and keep sharing it again and again

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Space

A vast bubble around a dying star is too big to comprehend

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Space

Signs of alien life on exoplanet K2-18b have all but vanished

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Technology

Solar drone with wingspan wider than jumbo jet could fly for months

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Health

Negative social ties, like frenemies, could be ageing you

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