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a cross section of the modified wood

Physics

A super-thin slice of wood can be used to turn saltwater drinkable

Most ways to purify saltwater take up a lot of energy, but simply running seawater through a thin, heated slice of porous wood can render it fresh and drinkable

News

saturated fat

Definition

Saturated fat

What if you could erase your political opponents? Sci-fi has answers

Comment

What if you could erase your political opponents? Sci-fi has answers

Culture

To understand reality, we first need to find our place in it

Physics

To understand reality, we first need to find our place in it

Comment

Is reality real? How evolution blinds us to the truth about the world

Physics

Is reality real? How evolution blinds us to the truth about the world

Features

Cholesterol

Definition

Cholesterol

Carbohydrates

Definition

Carbohydrates

Man on the moon? Why we said Apollo 11 was an empty, obsessional quest

Space

Man on the moon? Why we said Apollo 11 was an empty, obsessional quest

Regulars

Terraforming Mars with strange silica blanket could let plants thrive

Space

Terraforming Mars with strange silica blanket could let plants thrive

News

An artificial limb is driven by two fiber-based muscles actuated via a heat gun.

Technology

Superstrong artificial muscle can lift 1000 times its own weight

Extremely strong artificial muscles that can lift 1000 times their own weight could be used for prosthetic limbs, exoskeletons and robots

News

Humans

Don't miss: Green films, rare plants and a cosmos tour

Culture

Space

Future moon missions probably won't carry astronauts - here's why

Features

Space

Apollo 11 space mission: Diabolically hard practice got us to the moon

Features

Space

Moon rocks can tell us where life could thrive beyond the solar system

Features