Vertical farms sprouting all over the world
From Singapore to Pennsylvania, warehouses and high-rises offer a new, environmentally friendly way to feed the swelling populations of the world's cities
Bijou backpacks reveal habits of chilled-out bees
Australian researchers are tracking thousands of bees by fitting them with tiny radio tags
42nd St paradox: Cull the best to make things better
Bench your best player to win the series. Close roads to get everyone home faster. Can we harness the power of Braess's paradox, asks Justin Mullins
Volcanic mayhem drove major burst of evolution
The violent birth of a mega-continent, with huge volcanic eruptions, could help explain the rich diversity of animal life that exists today
Astronaut gut reaction: The microbiome in space
Microbes can change behaviour after just a few days without gravity, so scientists are worried that the bugs in astronauts' guts may turn traitor in space
Moth drone stays rock steady in gale-force winds
By mimicking how a moth moves, a quadcopter can hover and fly even in high winds – perfect for surveillance
Gene therapy restores sight in people with eye disease
For the first time, gene therapy has been used to treat a rare cause of blindness called choroideremia – the results may be relevant to more common eye diseases
Google's quantum computer flunks landmark speed test
In its first head-to-head test against a PC, the D-Wave Two showed no quantum speed boost – but it is being used in blink-detection and planet-hunting
Zoologger: Hunting falcons rely on sailor's trick
When peregrine falcons hunt prey birds like crows, they rely on a simple technique to ensure they intercept their victims
Nest thermostat acquisition is Google's home invasion
What does Google want with your central heating – and what could this mean for the future of smart homes?
Ibises get fly with a little help from their friends
A study of migrating ibises reveals why so many birds fly in "V" formations: it saves energy
The seven deadly sinners driving global warming
A study has identified the countries that have contributed most to climate change over the past century
Can trophy hunting help conservation?
The difference between tradition and trophy hunting may not be as big as we like to think
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