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91av. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

91av Live 2019 highlights: Aliens, jet packs and Homo naledi

91av Live

91av Live 2019 highlights: Aliens, jet packs and Homo naledi

Talks that the 91av editorial team are most looking forward to at 91av Live, the world's greatest science festival, 10-13 October 2019

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spaceman

Space

Does alien life have to look like us? Or even be intelligent?

Culture

Artists impression of a planet

Space

This watery planet is the best place to hunt life we've seen so far

News

night sky artwork

Space

Are there any aliens out there? We are close to knowing for sure

Features

Glowing organisms

Space

We could find alien life on exoplanets by looking for its glow

News

Lee Cronin

Chemistry

Chemist Lee Cronin is building an alien to work out why life exists

Regulars

The team inspects the tree

Environment

Tree stumps that should be dead can be kept alive by nearby trees

News

jelly-like substance

Life

Early life on Earth may have existed as miniature droplets of jelly

News

Internet joke plan to 'raid' Area 51 gets stern reply from US military

Space

Internet joke plan to 'raid' Area 51 gets stern reply from US military

News

James Lovelock standing near the sea at Chesil Beach

Humans

James Lovelock says artificial intelligence is the start of new life

91av interviewed James Lovelock to discuss Gaia’s Novacene and our new AI overlords, microwaving hamsters for science and why Elon Musk’s Mars mission is ‘crazy’

Regulars

Definition

Life on Mars

Definition

Why do we have sex?

Space

Planet in triple-star system may be our best chance to find alien life

News

Technology

Working hypothesis: from Raspberry Pi to abolishing time

News