Void that is truly empty solves dark energy puzzle
Forget vacuums fizzing with particle activity: a new calculation shows this strange notion isn't necessary after all
Psychoactive drugs: From recreation to medication
With trials showing positive results from the treatment of cancer to alcohol addiction, could illegal drugs be heading for the medical mainstream?
Shape-shifting robot compensates for damaged limb
A modular quadruped, built from a group of identical robot modules, learns to find new walking styles to cope with the malfunction of a single unit
Zoologger: Death by world's longest animal
A venomous medusa-like beast as long as a blue whale has emerged as an unlikely defender of the world's oceans
For self-healing concrete, just add bacteria and food
Adding limestone-forming bacteria to the mix could help the concrete seal dangerous cracks on its own
Road to cut off Serengeti migration route
Tanzania's government plans to build a road through Serengeti National Park, cutting through the migratory route of 2 million wildebeest and zebra
Arctic oil and gas drilling ready to take off
Oil drilling in Greenland's Arctic waters began last week, angering environmentalists. But it's nothing compared with the oil and gas rush that's coming
Conservation and compassion: First do no harm
In putting conservation into practice, we often cause great suffering to animals. Marc Bekoff argues that we need a new ethical perspective
Wonder conductors will spin up cooler computers
Newly discovered materials could clear the way for blisteringly fast laptops and smartphones that don't warm our laps or singe our ears
Volcano wakes from four-century sleep
A Sumatran volcano dormant for 400 years has erupted, spewing smoke and ash several kilometres into the air
Nicholas Carr: Surfing our way to stupid
By reshaping our minds, the internet is robbing us of the ability to think critically and creatively, says the author of The Shallows
Success, not size 0, makes women want to eat less
Encouraging models to put on weight may not be enough to prevent the influence that media images have on rising rates of eating disorders
Green machine: Perfecting the plant way to power
Efforts to develop solar-powered water splitters are starting to bear fruit
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