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<em>Back to the Future</em>: Does physics of Marty's time travel add up?

Technology

Back to the Future: Does physics of Marty's time travel add up?

Today is 21 October 2015 – the date Marty McFly and Doc Brown travel to in Back to the Future Part II. Can we reconcile the films with reality?

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Ann Veronica Janssen's room of fog bumps you through the rainbow

Humans

Ann Veronica Janssen's room of fog bumps you through the rainbow

CultureLab

<em>Seven Brief Lessons on Physics</em> is lean, lucid and enchanting

Physics

Seven Brief Lessons on Physics is lean, lucid and enchanting

CultureLab

<em>The Secret Lives of Bats</em>: The adventures of the real batman

Life

The Secret Lives of Bats: The adventures of the real batman

CultureLab

Lithium dreams: The surreal landscapes where batteries are born

Earth

Lithium dreams: The surreal landscapes where batteries are born

Features

Earth

The best pictures from Wildlife Photographer of the Year 2015-16

Regulars

Birth month affects risk of developing dementia later in life

Health

Birth month affects risk of developing dementia later in life

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Squirrel monkeys teach themselves to eat and drink from a cup

Life

Squirrel monkeys teach themselves to eat and drink from a cup

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14 ways the UK has backtracked on climate pledges this year

Earth

14 ways the UK has backtracked on climate pledges this year

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How fish dodged extinction's bullet

Earth

How fish dodged extinction's bullet

The Worst of Times explores the baffling story of animals that breezed through the worst climate catastrophe Earth has ever known

CultureLab

Life

Strange Tools: What can art tell us about who we are?

CultureLab

Life

Ape fossils put the origin of humanity at 10 million years ago

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Earth

Why the struggle for water is a global issue

CultureLab

Earth

Shell abandons oil exploration in Alaska but stays in the Arctic

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