Water filters can get dirty and lose their effectiveness quickly. Now researchers have tested a new nature-inspired membrane that filters liquids using other liquids, making for a more efficient and longer-lasting membrane.
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A study has revealed a new reason why getting less than eight hours of sleep a night could be damaging to our health. The research found adults who only got around six hours of sleep per night were more likely to be dehydrated, and the cause could be a particular hydration-regulating hormone.
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Artificial photosynthesis devices can split water into hydrogen and oxygen, but they still suffer from some efficiency issues. Now a new hybrid device may be able to recover some of the energy that would otherwise go to waste, by producing both hydrogen and electricity.
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Water used for hand-washing is relatively easy to treat for reuse, and now engineers at ETH Zurich have built and tested a standalone hand-washing station for use in public places and developing countries that can do just that.
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After revealing the five finalists earlier in the year, the XPrize foundation has today announced the grand prize winner, which outshone almost 100 competitors with its superior ability to harvest fresh water from thin air.
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While NASA has plans to possibly send a lander to Europa in the coming years, a new discovery might make touchdown tricky – there’s a chance that large swathes of Europa’s surface are covered in ice spikes almost 50 ft (15 m) high.
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Freshwater and marine algal blooms can be harmful – even fatal – to wildlife and humans alike, so the sooner that authorities can predict them, the better. A cheap and portable new device developed at UCLA could help them do so.
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Most water filters work by a sieve principle, in which particles that are too big to pass through a filtration membrane's pores end up collecting on it. The problem is, such filters get clogged with trapped particles. The manta ray, however, has developed a work-around.
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In a potential boon for the mining and textile production industries, scientists in Australia have come up with the new alloy capable of stripping impurities from contaminated water, and say it can do so with greater efficiency and at much lower cost than existing approaches.
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If you spend much time backcountry hiking, chances are you're the sort of person who would find use for at least two things: a trekking pole and a water purifier. Well, PurTrek combines them both in one carbon fiber-bodied device.
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