VIDEO
Augmented reality lets you see through walls If only drivers could see through obstacles, blind corners and dangerously obscured road junctions. An augmented-reality system has been built that could make it possible
BLOG
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Faith healing in US healthcare reform Should American health insurers fund spiritual healing? Two of the healthcare reform bills before US legislators harbour clauses that would force insurers to pay for the prayer-based healing practised by the Church of Christ, 杏吧原创
FUNDAMENTALS
Seven questions that keep physicists awake at night From the nature of matter to that of reality itself, physicists have been pondering the big questions at the Quantum to Cosmos festival in Canada
GALLERY
How digital sensors changed astronomy The Nobel prize for physics was partly awarded for the charge-coupled device, the sensor at the heart of digital cameras. It first made its mark in the world of astronomy, though. See how CCDs have advanced our perspectives on the universe
NEUROSCIENCE
To sleep, perchance to learn Call it the Doom learning effect. Volunteers who played the shoot 鈥檈m up video game dreamed about monsters and guns. Such reveries have now been found to predict higher scores the following day, backing the idea that dreams function to consolidate learning
HORMONES
High testosterone linked to selfish behaviour A cream that boosted levels of the sex hormone in men made them more miserly when playing a game which included monetary decisions
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