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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.

Health

Long covid may be making your periods longer and heavier

Half a decade since the arrival of the SARS-CoV-2 virus, we're still learning about its complications, with the latest research suggesting that long covid may disrupt menstrual periods

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virtual assistance and AI applications

Technology

Around one-third of AI search tool answers make unsupported claims

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Physics

Making atoms self-magnify reveals their quantum wave functions

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Health

Good immune health may come at the expense of chronic inflammation

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Space

Lunar missions may contaminate the moon with hardy Earth microbes

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Humans

The oldest human mummies were slowly smoked 14,000 years ago

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Technology

Modular nuclear reactors sound great, but won’t be ready any time soon

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Space

Mars once had an atmosphere that was thicker than Earth’s today

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Health

Covid-19 vaccine benefits worth up to $38 trillion in first year alone

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Technology

Stealth radio hides signal in background noise to protect drone pilots

As drones have risen to prominence on the battlefield, so too has electronic warfare, in which adversaries attempt to mask, jam or trace radio signals. Now, a new stealthy radio device could help give people the edge, letting them fly drones without detection

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Earth

The death of dinosaurs dramatically re-engineered Earth’s landscapes

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Health

Higher dose of Wegovy ups both weight loss and side effects

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Health

Megan Rossi explains the science of gut health and why it matters

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Life

Jaguar breaks records by swimming at least 1.3 kilometres

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