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Earth

It's too early to herald a US nuclear renaissance

Obama's financial backing for nuclear power must be reinforced by tougher economic incentives and better technology

Opinion

Flow batteries could back up grid of the future

Technology

Flow batteries could back up grid of the future

Analysis

Send a text message to charge your cellphone

Technology

Send a text message to charge your cellphone

News

Reap the whirlwind for cheap renewable power

Earth

Reap the whirlwind for cheap renewable power

News

Armband adds a twitch to gesture control

Technology

Armband adds a twitch to gesture control

News

Health

How electrodes in the brain block obsessive behaviour

News

Flowers get an electrifying buzz out of visiting bees

Life

Flowers get an electrifying buzz out of visiting bees

News

A shocking cure: Plug in for the ultimate recharge

Technology

A shocking cure: Plug in for the ultimate recharge

Features

Earth

Wind power is now cheaper than coal in some countries

News

Texas mega-battery aims to green up the grid

Earth

Texas mega-battery aims to green up the grid

A giant battery built next to a Texas wind farm can bridge the gap between supply and demand, making renewable energy more viable

Analysis

Technology

Muscle-zapper forces gamers' own hands against them

News

Technology

Muscle mimic pulls electricity from wet surface

News

Health

Batteries not required, just plug into ear cells

News

Earth

Seismologists found guilty of manslaughter

News