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Shocking study shows one third of world's protected areas degraded by human activities Posted: 17 May 2018 11:36 AM PDT |
Limiting warming to 1.5 degree C would save majority of global species from climate change Posted: 17 May 2018 11:36 AM PDT New research finds that limiting global warming to 1.5 degrees C would save the majority of the world's plant and animal species from climate change. Species across the globe would benefit -- particularly those in Southern Africa, the Amazon, Europe and Australia. Examples of animals to benefit include the critically endangered black rhinoceros. Reducing the risk to insects is important because they are vital for 'ecosystem services' such as pollinating crops and being part of the food chain. |
More than a living syringe: Mosquito saliva alone triggers unexpected immune response Posted: 17 May 2018 11:36 AM PDT |
New catalyst upgrades greenhouse gas into renewable hydrocarbons Posted: 17 May 2018 11:36 AM PDT |
Pesticides: What happens if we run out of options? Posted: 17 May 2018 11:26 AM PDT What happens when pests resist all forms of herbicides and pesticides? To slow the evolutionary progression of weeds and insect pests gaining resistance to herbicides and pesticides, policymakers should provide resources for large-scale, landscape-level studies of a number of promising but untested approaches for slowing pest evolution. |
Scientists analyze first ancient human DNA from Southeast Asia Posted: 17 May 2018 11:26 AM PDT |
Self-assembling 3D battery would charge in seconds Posted: 17 May 2018 11:25 AM PDT |
Robots grow mini-organs from human stem cells Posted: 17 May 2018 09:33 AM PDT A robotic system has been developed to automate the production of human mini-organs derived from stem cells. The ability to rapidly, mass produce organoids promises to expand the use of mini-organs in basic research and drug discovery. The system was tested in producing kidney organoids, including models of polycystic kidney disease. The robots were also programmed to analyze the organoids they produced. |
Feeding habits of ancient elephants uncovered from grass fragments stuck in their teeth Posted: 17 May 2018 07:23 AM PDT |
Breakthrough in understanding rare lightning-triggered gamma-rays Posted: 17 May 2018 07:22 AM PDT The Telescope Array detected 10 bursts of downward terrestrial gamma-ray flashes (TGFs) between 2014 and 2016, more events than have been observed in rest of the world combined. They are the first to detect downward TGFs at the beginning of cloud-to-ground lightning, and to show where they originated inside thunderstorms. The array is by far the only facility capable of documenting the full TGF 'footprint' on the ground. |
Smarter brains run on sparsely connected neurons Posted: 17 May 2018 07:22 AM PDT The more intelligent a person, the fewer connections there are between the neurons in his cerebral cortex. This is the result of a study conducted by neuroscientists; the study was performed using a specific neuroimaging technique that provides insights into the wiring of the brain on a microstructural level. |
The ultrafast dance of liquid water Posted: 17 May 2018 07:22 AM PDT Typically we consider that water molecules in the liquid state move randomly on ultrafast timescales due to thermal fluctuations. Now, scientists have discovered correlated motion in water dynamics on a sub-100 femtoseconds timescale. This appears as 'caging effects' due to buildup of tetrahedral structures upon supercooling. The results are based on a combination of experimental studies using x-ray lasers and theoretical simulations. |
Major shift in marine life occurred 33 million years later in the South Posted: 17 May 2018 05:18 AM PDT |
Critically endangered South American forests were planted by ancient peoples Posted: 17 May 2018 05:18 AM PDT |
Climate change in Quebec equals a much greater diversity of species??? Posted: 16 May 2018 02:22 PM PDT A team of researchers believe that, paradoxically, climate change may result in Quebec's national and provincial parks becoming biodiversity refuges of continental importance as the variety of species present there increases. They calculated potential changes in the presence of 529 species in about one third of the protected areas in southern Quebec. Their results suggest that fifty -- eighty years from now (between 2071-2100) close to half of the protected regions of southern Quebec may see a species turnover of greater than 80 %. |
Vast ionized hydrogen cloud in the Whirlpool Galaxy revealed by ultra-sensitive telescope Posted: 16 May 2018 11:46 AM PDT |
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