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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

Oldest evidence of fire-lighting comes from early humans in Britain

An excavation in Suffolk, UK, has uncovered pyrite and flint that appear to have been used by ancient humans to light fires some 400,000 years ago

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Technology

Australia’s social media ban faces challenges and criticism on day one

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Life

Dinosaurs like Diplodocus may have been as colourful as birds

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Humans

Pompeii building site reveals how the Romans made concrete

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Health

Timing cancer drug delivery around our body clock may boost survival

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Firefighters working in Spain in August

Environment

2025 is the second-hottest year since records began

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The supernova remnant Cassiopeia A

Space

Odd elements in supernova blast might have implications for alien life

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Woman using a mobile phone

Technology

How worried should you be about spending too much time on your phone?

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Environment

Extreme heat hampers children’s early learning

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Mathematics

Mathematicians discover a strange new infinity

Mathematicians have discovered a new infinity, one that is so strange that it could change how we understand logic, numbers and even the universe itself

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Space

Comet 3I/ATLAS from beyond solar system carries key molecule for life

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Health

Tattooing may trigger localised damage to the immune system

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Humans

Hunter-gatherer groups are much less egalitarian than they seem

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Physics

Quantum experiment settles a century-old row between Einstein and Bohr

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