Astrophile: Undead stars rise again as supernovae
If a tribe of dormant, winking stars really are on the verge of going supernova, they will help reveal dark energy's true nature
Friday Illusion: Mysterious material escapes from box
Watch a spinning ring with an unusual surface appear to change direction and break free from its enclosure
What gives scientists - and writers - credibility?
At the Festival of Ideas, intellectual heavyweights sparred over credibility in conducting - and writing about - science
Skype security flaw can expose a user's location
Researchers have worked out how to reveal the IP address of someone using Skype, without them knowing
Stem-cell find breathes new life into lung repair
New hopes of treating chronic lung diseases have been raised by the rapid stem-cell repair of mouse lungs and by a molecule that drives lung healing
An Experiment with an Air Pump: medical ethics staged
Shelagh Stephenson's play explores the difference between a human research subject and a human experiment
Smarter cameras help you take slicker snaps
Wouldn't it be nice if your camera could also make you a better photographer? New camera interfaces will help get pictures right first time
Green Machine: Recycled cans to make cheap fuel cells
Treating aluminium with small amounts of titanium can be effective at storing and releasing hydrogen, making it a contender for future cheap fuel cells
Graduate Special: where to now?
The end of your degree is drawing close. It is time to take a deep breath and consider your next big steps
Drug hallucinations look real in the brain
Brain scans suggest that the visions induced by an Amazonian shamans' brew may be as real as anything the eyes actually see
Magnetic tongue to produce tastier tinned tomatoes
The sensor could help food manufacturers tweak their production methods to maximise flavour
Feedback: Bigger than Ben Hur
Things bigger than Ben Hur, restructured water, intelligent shampoo with meteorite extract, and more
Daily aspirin cuts risk of colorectal cancer
An aspirin a day reduces the risk of developing hereditary colorectal cancer and could be of benefit to those with a family history of other cancers
Most pristine known asteroid is denser than granite
The lumpy asteroid Lutetia may be a whole, unbroken building block left nearly untouched since the solar system's birth
A shot of snake blood makes the heart grow
Fatty acids found in snake blood increase heart size and efficiency, and could one day be used to treat damaged hearts
Exploding balloons of milk frozen in high-speed photos
To capture the way a balloon deforms as it bursts, a trio of photographers spent hours working in darkness with a lot of milk and a knife on a stick
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