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Grand Challenges

A resident walks in the Cantagalo shantytown in Rio de Janeiro, with the wealthy Ipanema seen in the distance (Credit: Getty Images)
Grand Challenges

The problem with how we view inequality

By Bryan Lufkin

Nuclear
Grand Challenges

Is nuclear power worth it?

By Chris Baraniuk
Anonymity
Grand Challenges

Why you can't be anonymous anymore

By Bryan Lufkin
Automation
Grand Challenges

How automation will affect you

By Richard Gray
Grand Challenges
Grand Challenges

Your guide to Earth’s biggest problems

By Bryan Lufkin
Grand Challenges
Grand Challenges

50 ‘grand challenges’ for the world

By Bryan Lufkin
(Credit: Getty Images)
Grand Challenges

5 numbers that will shape this century

By Miriam Quick / Illustrations by Valentina D'Efilippo
Democracy
Grand Challenges

The uncertain future of democracy

By Douglas Heaven
(Credit: Getty Images)
Grand Challenges

12 grand challenges that matter in 2017

By Bryan Lufkin
Getty Images 506272064
Grand Challenges

Bill Gates: How to fight the next Zika

Energy
Grand Challenges

The world’s biggest energy challenges

By Richard Gray
(Credit: iStock)
Grand Challenges

The era of ‘catastrophic failure’

Brazilian technicians assemble an aircraft at the production line of Embraer (Credit: Getty Images)
Grand Challenges

The last things unique to humans

By Viktor Mayer-Schonberger
(Credit: Alamy)
Grand Challenges

AI's ethical challenge

By Bryan Lufkin
Needlesgetty
Grand Challenges

America's opioid addiction - explained

Chelsea Clinton and the Clinton Foundation are working to make an antidote for opioid overdose more widely available (Credit: Getty Images)
Grand Challenges

Chelsea Clinton: The US opioid epidemic

By Chelsea Clinton