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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

Fossil fruits show flowering plants flourished in time of dinosaurs

Large fruits and seeds buried under volcanic ash nearly 75 million years ago upend the idea that flowering plants only came to prominence after the Cretaceous mass extinction

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Environment

Can home batteries help save the climate and save you money?

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Health

We’ve uncovered a master gene that switches on human development

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Environment

If you aren’t terrified by this heatwave, you should be

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Technology

Record-breaking IBM chip uses trick to cram in 100 billion transistors

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Transmission electron micrograph of Escherichia coli cells infected by phages (green dots)

Health

Phages could enable us to hijack vaccine immunity to kill cancer cells

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Humans

Lost books by ancient philosophers recovered from ‘unreadable’ scrolls

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Space

Possible signs of ancient life on Mars are rich in complex carbon

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A note from the anniversary editor

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Physics

Sean Carroll: uncovering the mysteries of quantum mechanics

Physicist Sean Carroll explores some of the deepest mysteries in quantum mechanics: the famous double-slit experiment, wave function collapse, the Many Worlds interpretation, entropy and the arrow of time

Video

Humans

All known Homo naledi skeletons seem to be female

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Humans

Some of the last Neanderthals were surprisingly genetically diverse

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Health

Fluctuating oestrogen levels may alter how drugs enter women’s brains

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Space

Hidden black hole could explain mystery at the heart of our galaxy

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