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Travel back in time to Earth's mightiest rivers and mountains

Earth

Travel back in time to Earth's mightiest rivers and mountains

The giant rivers and mountain ranges of the supercontinent Rodinia 1 billion years ago make the Amazon and the Andes seem piddling

Features

Get ready for the leap second – it could be the last one ever

Physics

Get ready for the leap second – it could be the last one ever

Features

One Per Cent

Technology

One Per Cent

News

Last Word

Living in the past

Regulars

The time illusion: How your brain creates now

Humans

The time illusion: How your brain creates now

Features

Last Word

Tree time

Regulars

How to think about… Higher dimensions

Physics

How to think about… Higher dimensions

Features

How to think about… Relativity

Space

How to think about… Relativity

Features

How to think about… Space-time

Space

How to think about… Space-time

Features

Slowing down time helps us savour it all the more

Life

Slowing down time helps us savour it all the more

An exhibition and two books show how technology is changing our interactions with time

CultureLab

Technology

Time cloak used to hide messages in laser light

News

Life

Mind expanding: Set your watch for genius

Features

Earth

In the beginning: How geology taught us to think deep

CultureLab

Space

Experiment tests whether universe is a hologram

News