ZOOLOGGER
The fireproofing skills of the great bowerbird The intricate twig structures that bowerbirds build for courtship are surprisingly resilient to bush fires. Find out why
BIOLOGY
Weight-lifting ants and crafty crows See the prizewinners in a contest to showcase biological research, including a crow 鈥渇ishing鈥� for larvae inside a tree and an ant lifting 100 times its body weight while clinging to a ceiling
PROSTHETICS
Artificial foot puts a spring in your step See how a prosthetic that recycles the energy expended when its foot strikes the ground could allow amputees to walk with less effort
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PHYSICS
What happens at absolute zero? Chill things close to the lowest possible temperature and weird things start to happen. We take a look at the coldest places in the universe, from shadowed moon craters to the Boomerang nebula
VISUALISED SCIENCE
Follow the money vs flower power From a map tracking dollar bills鈥� journeys across the US to microscopic pillars that look like colourful flowers, check out the winning entries in the International Science and Engineering Visualization Challenge
TECHNOLOGY
Flying pixels Using small light-toting toy helicopters as pixels, engineers are making three-dimensional displays that envelop the viewer
EARLY HUMANS
Messages from the Stone Age Our ancestors had a regular system of 26 symbols, which may have led to written language. See the curious similarities between cave paintings from around the globe, which suggest that the symbols have a common origin in Africa