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Updated: 7 hours 38 min ago

Giant solar farm uses molten salt to keep power coming

23 April 2014 - 3:00pm
Renewable energy could help underpin the grid now that the world's biggest concentrated solar storage plant is up and running in Arizona

Blood of world's oldest woman hints at limits of life

23 April 2014 - 2:15pm
She lived to 115, but a study of Hendrikje van Andel-Schipper's blood hints at factors limiting lifespan

Brazil approves use of genetically modified mosquitoes

23 April 2014 - 1:54pm
Mosquitoes that carry the dengue virus have been engineered to cause crashes in wild populations, and could soon be used in the US as well

Deaf people get gene tweak to restore natural hearing

23 April 2014 - 1:00pm
People who have lost their hearing will be injected with a harmless virus carrying a gene that should trigger the regrowth of their ears' sensory receptors

Armed Russian robocops to defend missile bases

23 April 2014 - 1:00pm
Russia is using gun-toting robot sentries to defend its army bases and shoot intruders

Playing peek-a-boo in a colossal rocket box

23 April 2014 - 11:40am
We take a rocket's-eye view of the monolithic gantry surrounding the European Space Agency's latest launch vehicle, the Vega, as it prepares for take-off

Contemplating the power of war to end all wars

23 April 2014 - 11:00am
The threat of mutually assured destruction, military or economic, promotes peace in many places. If war has ultimately forged a safer world, what's next?

Build a stable wormhole with the help of dark aliens

23 April 2014 - 9:00am
An extension of Einstein's gravity would let us build a wormhole – if we could send messages to invisible aliens via space-time ripples

Game of primes ends as mathematics gets too difficult

23 April 2014 - 8:00am
There's a ceasefire in an online race to solve the 165-year-old twin prime conjecture, but the game has brought us closer than ever to a proof

Zoologger: Sailfish is lethal d'Artagnan of the deep

23 April 2014 - 7:45am
The Atlantic sailfish's hunting strategy involves using its sword-like bill to slash its sardine prey so fast the "blade" becomes invisible to the eye

Protein that shrinks depressed brains identified

23 April 2014 - 7:13am
Why the connections between brain cells in depressed people are often shrivelled was a mystery – but a single protein could be to blame

Shakespeare: Poet, playwright, scientist?

23 April 2014 - 7:10am
Shakespeare is known for being many things – but never a scientist. On the eve of his 450th birthday, we show how his imagination was fired by the natural world

What's war good for? It's made a more peaceful world

23 April 2014 - 7:00am
For all the horror and brutality of battle, war has a surprising upside – it helps create larger and safer societies, argues historian Ian Morris (full text available to subscribers)

Virtual Earth plays out fate of life on the planet

22 April 2014 - 5:00pm
The first computer model to simulate the interaction of life on Earth allows us to see how an infinite number of ecosystem changes affect the environment

Mini robot doctors that could swim in your bloodstream

22 April 2014 - 4:00pm
Robots that can be operated using magnetic fields could one day be injected into your body with the parts to make therapeutic devices

The coolest biology is under the microscope

22 April 2014 - 2:00pm
Almost everything important takes place in the microbial world, argues Nicholas Money in his lively but rather disorganised book The Amoeba in the Room

Asteroid strike map built from nuclear watchdog data

22 April 2014 - 1:51pm
The network that monitors for covert nuclear weapons testing helped detect 26 asteroids entering Earth's atmosphere since 2000 – this movie maps them

Helmet to offer tongue-in-cheek gadget control

22 April 2014 - 9:00am
A device that senses tongue pressure through the cheek could allow motorcyclists and skiers to control their personal technology via their helmets

Stealthy surfaces make for psychedelic laser scanning

22 April 2014 - 7:00am
Lidar 3D laser scanning sounds ultra-precise – but real-world noise and confusion turns Berlin's Oberbaum Bridge into an ecstatic vision

Blue skies on tap, whenever you need them

22 April 2014 - 3:00am
A lighting system that combines white LEDs with nanoparticles can mimic a natural sunny day, even when the skies outside are grey and gloomy