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A robot floats in a small tank of water with the aid of four polystyrene balls on arm-like features

Technology

Soft robot with a mouth and gut can forage for its own food

The robot slurps biomatter from its environment to be entirely self-sufficient, and could one day be used in aquatic applications such as ocean clean-up

News

cars

Technology

How to save ourselves from the invisible gas choking us to death

Insight

poster

Health

HIV jumped to the US in 1970 - 10 years before it was spotted

News

Xudong Wang holds a piece of his energy-generating board in a lab

Technology

Energy-generating floorboard lights up 35 LEDs with one footstep

News

Iceland drills hottest hole to tap into energy of molten magma

Earth

Iceland drills hottest hole to tap into energy of molten magma

News

An e-reader screen the size of a Post-it note with a white border stands on a desk

Technology

E-paper display runs on office lights and never needs charging

News

art installation

Humans

An enormous shape-shifting artwork – run by yeast

Culture

Capuchin monkey hits stone with stone

Life

Some of our Stone Age tools may just be crafty monkey throwaways

News

Golden oldies: The pudgy dad hypothesis and why older men matter

Humans

Golden oldies: The pudgy dad hypothesis and why older men matter

Culture

Dizzying view of orangutan hunting for figs wins photo prize

Life

Dizzying view of orangutan hunting for figs wins photo prize

Tim Laman, named this year’s Wildlife Photographer of the Year, used ropes and GoPro cameras to take a shot of an endangered ape climbing a tall tree for food

Regulars

Health

Overweight mothers give birth to biologically older babies

News

Life

Whales’ dung is the real reason we need to stop hunting them

News

Health

Home abortions are safe – we should let women do it themselves

Analysis

Life

I saw humpback whales save a seal from death by killer whale

Features