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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.

Two women choosing food in a cafe

Health

Why does weed give you the ‘munchies’? Here’s what the science says

There may be several reasons why cannabis encourages people to eat, including the fact that the psychoactive compound in the drug affects the neurons that control hunger

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Space

Passing star could fling Earth out past Pluto into the Oort cloud

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ChatGPT Open AI chat bot on phone screen

Technology

GPT-4 developer tool can be exploited for misuse with no easy fix

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Humans

Vaping vs edibles: How does the way we use cannabis alter its effects?

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Environment

How will we actually know when we pass 1.5°C of warming?

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Environment

World must prepare for frequent and severe droughts, report warns

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the eel robot

Technology

Robot eel reveals how the strange fish swim so efficiently

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Space

See a forgotten meteor shower caused by a dead comet this weekend

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Life

Marmosets swap brain cells with their siblings

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Oil field in Venezuela

Environment

COP28: Energy transition may cut oil-producing states’ revenue by 60%

Without more international support, the transition away from fossil fuels could have disastrous effects for low-income countries reliant on their oil and gas industries

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Life

Bottlenose dolphins can sense electric fields with their snouts

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Life

Chinstrap penguins take thousands of very short naps every day

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Chemistry

DNA repair has been captured in a step-by-step molecular movie

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Space

Tiny star found harbouring a huge planet that shouldn’t exist

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