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Drugs don’t grow on trees

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15 healthy eating habits that work, according to science

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Here are six scientifically proven tips for more effective studying

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Visible light emitted from a black hole has been detected for the first time

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'Seeing' black holes with the naked eye

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At the core of the toilet's operation is a nanotech membrane, which separates vapourised water from the rest of the waste after some initial sedimentation. This process cleans it up for household washing or field irrigation by removing pathogens while the liquid is in a vapourised state. Nano-coated beads lead to the formation of clean water droplets on the other side. An Archimedean screw system then kicks into gear to send the leftovers into a second chamber where they can be incinerated and turned into ash and heat. While the details of this second part of the process are still being finalised, the designers say it should be able to produce enough energy to power the whole operation, with some leftover to charge small gadgets such as mobile phones. The remaining ash can be used as a fertiliser, while the closed lid and a special rotating mechanism (which replaces the flush) will prevent any unwanted odours from escaping. That last point is important - the squalid state of many toilets in developing nations can lead to people opting for the great outdoors, which brings its own set of hygiene and safety issues. The makers of the toilets are planning to distribute them through a rental system, which would bring costs for users down even further. Ghana has been earmarked as a potential location for the first trial run. The Nano Membrane Toilet is being developed by researchers at Cranfield University, and was recently announced as a finalist at the Cleantech Innovate showcase. "We are delighted to see this innovative solution gaining national recognition through Cleantech Innovate," said one of the team, Elise Cartmell. "The Nano Membrane Toilet has the potential to change millions of lives by providing access to safe and affordable sanitation."

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Bugs Build Intricate Structures Without Thinking Big

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Mysterious radio signals from space are much better test of Einstein's General Relativity

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Four elements have just earned a permanent spot in the periodic table

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