Neesa24

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How Honey Bees Point Their Way To Food

With help from light that humans can't see<p>Honey bees can give each other directions using polarized light as a landmark to find potential food. Light becomes polarized as it reaches us through the atmosphere, but the polarization is typically not seen by the naked human eye. In a new study from the …

Innovation: A Charger That Keeps Your Phone Germ-Free

Whatever our hands touch, our phones touch. And that means our mobile phones can be downright nasty. Some people even use their phones while they're in the bathroom stall. So it probably won't surprise you that a 2011 University of London study found that one in six of our phones have fecal matter …

These Backpacks For Cow Farts Reduce Climate Change And Generate Power

Bovine farts are powerful enough to power your refrigerator. The trick, which this gear nicely solves, is capturing the gas that is passed.<p>Argentine researchers are using special backpacks made for cows to capture cow belches and turn them into power while fighting climate change.<p>The cows are each …

Vertical farming explained: how cities could be food producers of the future

Populations are growing and cities are booming – but could we soon see skyscrapers turned into centres for crop production? From Chicago warehouses to the south pole growth chamber in Antarctica, the concept of growing food indoors is catching on. Plant scientist Dr Erik Murchie, from the …

These 3-D Printed Covers Make Prosthetics Stylish

Making prosthetics something to show off to the world, not something to hide.<p>A typical prosthetic leg looks pretty utilitarian–a thin metal or carbon fiber pylon rod that, unsurprisingly, many amputees would rather hide under clothing than show off. But why shouldn’t prosthetics look as good as any …

Second baby possibly 'cured' of HIV

The first time, it happened almost by accident.<p>Just hours after delivery, a baby born with HIV in Mississippi was given high doses of three antiretroviral drugs. More than three years later, doctors say the little girl has no evidence of the life-threatening disease in her blood, despite being off …