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ScienceDaily: Earth & Climate News |
Using bacteria to create a water filter that kills bacteria Posted: 18 Jan 2019 11:55 AM PST Engineers have created a bacteria-filtering membrane using graphene oxide and bacterial nanocellulose. It's highly efficient, long-lasting and environmentally friendly -- and could provide clean water for those in need. |
Green turtle: The success of the reintroduction program in Cayman Islands Posted: 18 Jan 2019 09:30 AM PST The reintroduction program for the green turtle in the Cayman Islands has been crucial in order to recover this species, which are threatened by the effects of human overexploitation, according to the first genetic study of the green turtle's reintroduction program in this area of the Atlantic ocean. |
Air pollution increases ER visits for breathing problems Posted: 18 Jan 2019 09:30 AM PST As levels of ozone and fine particulate pollution (PM2.5) rise, more patients end up in the ER with breathing problems, according to the largest US study of air pollution and respiratory emergency room visits of patients of all ages. |
Mangrove patches deserve greater recognition no matter the size Posted: 18 Jan 2019 08:08 AM PST Governments must provide stronger protection for crucial small mangrove patches, experts say. |
New ways to harness wasted methane Posted: 18 Jan 2019 08:08 AM PST The primary component of natural gas, methane, is itself a potent greenhouse gas. A recent study has unveiled a high performance catalyst for methane conversion to formaldehyde. |
Mediterranean freshwater fish species susceptible to climate change Posted: 18 Jan 2019 08:08 AM PST Climate change will strongly affect many European freshwater fish species. This is particularly the case for species in the Mediterranean region. |
Why do Hydra end up with just a single head? Posted: 18 Jan 2019 05:31 AM PST Hydra is able to regenerate any part of its body to rebuild an entire individual. The head organizer performs two opposite activities, one activating, which causes the head to differentiate, and the other inhibiting, which prevents the formation of supernumerary heads. Researchers have discovered the identity of the inhibitor, called Sp5, and deciphered the dialogue between these two antagonistic activities, which helps maintain a single-headed adult body and organize an appropriate regenerative response. |
Bee surveys in newest US national park could aid pollinator studies elsewhere Posted: 17 Jan 2019 02:52 PM PST Declines in native bee populations are widely reported, but can existing data really analyze these trends? Entomologists report findings about pollinator biodiversity in California's Pinnacle National Park derived from three separate surveys spanning 17 years and say similar studies in other areas are needed. |
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