Mystery of bird navigation system still unsolved
How birds keep their bearings remains a puzzle after magnetic cells in their beaks are found to be immune cells, not neurons
Secrets of App Store revealed by artificial life forms
Modelling Apple's App Store marketplace as an ecosystem reveals what makes it thrive and which apps are likely to sell
Babies are born dirty, with a gutful of bacteria
Far from being sterile, babies come complete with an army of bacteria. The finding could have implications for gut disorders and our health in general
Where acupuncture pricks the brain
A new brain map shows what happens when acupuncture points on the body are stimulated
Why was the Sumatra quake so large?
Today's earthquake did not occur in a subduction zone, the typical source of large oceanic quakes
Ants inoculate themselves by licking sick nest-mates
Social ants lick dangerous fungi off their infected fellows, boosting their own immune systems and protecting the entire colony
Fukushima birds may cope with radiation
Reports that radiation can cause harmful oxidative stress seem to be misplaced: good news for animals contaminated by Fukushima
Tree logging app to help keep our cities green
City councils are often unaware of all the trees that need looking after in their areas - but a new app could help us to help them
Magnitude 8.6 earthquake sparks tsunami
A tsunami warning has been issued for the Indian Ocean, as Indonesia suffers its largest quake since 2004
Face recognition could catch bad avatars
The rise in crime in virtual worlds means biometrics could become a vital tool to link players trying to exploit the anonymity of their online avatars
Searching for the sun's long-lost siblings
The cloud of gas and dust that gave birth to the sun must have spawned a bunch of other stars too. New searches from Earth and space aim to track them down
Telling the truth about masturbation
With the Hand: A history of masturbation by Mels van Driel is a rare and welcome exploration of the topic
Meditating seal looks to the sky
Want to know how to lose 100 kilograms in a year? Learn from this serenely posed Atlantic grey seal
There's more to nuclear fusion than ITER
The experimental fusion reactor ITER will not address a host of practical questions that must be answered before fusion power can become a reality
Launch will reveal North Korean rocket's purpose
Unha-3 is stoking tensions over North Korea's nuclear ambitions - together with signs of an upcoming underground weapons test
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