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ScienceDaily: Top Environment News |
| Small but mighty: Microgreens go from trendy vegetables to functional food Posted: 28 Sep 2021 04:38 PM PDT Starting decades ago as fashionable, high-value gourmet greens, today microgreens have gained popularity among consumers for their nutritional profile and high content of antioxidant compounds. Now, a new study suggests that the tiny plants have the potential to help provide global nutrition security. |
| Plasmodium falciparum evolving to escape malaria rapid diagnostics in Africa Posted: 28 Sep 2021 02:19 PM PDT A major tool against malaria in Africa has been the use of rapid diagnostic tests, which have been part of the 'test-treat-track' strategy in Ethiopia, the second most-populated country in Africa. But researchers studying blood samples from more than 12,000 individuals in Ethiopia now estimate these tests missed nearly 10% of malaria cases caused by the parasite Plasmodium falciparum, the most common cause of malaria cases and deaths. |
| Reducing salt in bread without sacrificing taste Posted: 28 Sep 2021 02:19 PM PDT Most people in the U.S. consume too much salt; adult Americans typically eat twice the daily amount recommended by dietary guidelines. Bread may not seem like an obvious culprit; however, due to high consumption and relatively high salt content, baked goods are a major source of sodium in the diet. A new study from the explores ways to reduce sodium in bread without sacrificing taste and leavening ability. |
| Elephants strive to cooperate with allies, until the stakes get too high Posted: 28 Sep 2021 11:18 AM PDT Asian elephants are keen to cooperate with friends and have evolved strategies to mitigate competition in their social groups, but cooperation breaks down when food resources are limited, according to new research. The study sheds light on the evolution of cooperative behavior in mammals. |
| AI may predict the next virus to jump from animals to humans Posted: 28 Sep 2021 11:18 AM PDT A new study suggests that machine learning using viral genomes may predict the likelihood that any animal-infecting virus will infect humans, given biologically relevant exposure. |
| Living retina achieves sensitivity and efficiency engineers can only dream about Posted: 28 Sep 2021 10:08 AM PDT 'Efficient coding theory' describes the most perfect, low-energy way to design a light-detecting device for a future camera or prosthetic retina. Or you could just look at a mammalian retina that's already organized this way. In a pair of papers on retinal structure, a team of neurobiologists has shown that the rigors of natural selection and evolution shaped our retinas to capture noisy data just as this theory of optimization would prescribe. |
| Unbreakable glass inspired by seashells Posted: 28 Sep 2021 09:13 AM PDT Scientists develop stronger and tougher glass, inspired by the inner layer of mollusk shells. Instead of shattering upon impact, the new material has the resiliency of plastic and could be used to improve cell phone screens in the future, among other applications. |
| Quantifying change on barrier islands highlights the value of storms Posted: 28 Sep 2021 07:22 AM PDT Researchers have developed a methodology for quantifying landscape changes on barrier islands and, in doing so, have found the storms that can devastate human infrastructure also create opportunities for coastal wildlife to thrive. |
| What the fate of ancient cities can teach us about surviving climate change Posted: 28 Sep 2021 07:22 AM PDT Why did some ancient Khmer and Mesoamerican cities collapse between 900-1500CE, while their rural surrounds continued to prosper? Intentional adaptation to climate changed conditions may be the answer, suggests a new study. |
| Structural characterization offshore Newfoundland Posted: 28 Sep 2021 07:22 AM PDT Geologists completed research characterizing the complex geological evolution of the Orphan Basin, offshore Newfoundland and Labrador, using an extensive database of newly available, modern 2D and 3D broadband seismic reflection data. These data allow geologists to visualize and understand the subsurface. |
| Win-win: plan supports farmers to save Australia’s species Posted: 28 Sep 2021 07:22 AM PDT A national plan to restore habitat on marginal farming land would fight climate change, prevent species loss and put money in farmers' pockets, according to a scientists. |
| Antidepressants inhibit cancer growth in mice Posted: 28 Sep 2021 07:22 AM PDT Classic antidepressants could help improve modern cancer treatments. They slowed the growth of pancreatic and colon cancers in mice, and when combined with immunotherapy, they even stopped the cancer growth long-term. In some cases the tumors disappeared completely, researchers have found. Their findings will now be tested in human clinical trials. |
| Cosmic impact destroyed a biblical city in Jordan Valley Posted: 28 Sep 2021 07:22 AM PDT In the Middle Bronze Age (about 3600 years ago or roughly 1650 BCE), the city of Tall el-Hammam was ascendant. Located on high ground in the southern Jordan Valley, northeast of the Dead Sea, the settlement in its time had become the largest continuously occupied Bronze Age city in the southern Levant, having hosted early civilization for a few thousand years. At that time, it was 10 times larger than Jerusalem and 5 times larger than Jericho. |
| New research links tree health to how birds respond to climate change Posted: 28 Sep 2021 07:22 AM PDT New research has revealed that shifts in the timing of egg laying by great tits in response to climate change vary markedly between breeding sites within the same woodland and that this variation is linked to the health of nearby oak trees. |
| Posted: 28 Sep 2021 07:22 AM PDT The largest randomized placebo-controlled trial of the antibiotic amoxicillin for treating chest infections in children - one of the most common acute illnesses treated in primary care in developed countries, has found it is little more effective at relieving symptoms than the use of no medication |
| Children who eat more fruit and veggies have better mental health Posted: 28 Sep 2021 04:50 AM PDT New research finds that children who eat more fruit and veg have better mental health. The study is the first to investigate the association between fruit and vegetable intakes, breakfast and lunch choices, and mental wellbeing in UK school children. The research team studied data from almost 9,000 children in 50 schools. They found that the types of breakfast and lunch eaten by both primary and secondary school pupils were significantly associated with wellbeing. |
| Geologically vibrant continents produce higher biodiversity Posted: 28 Sep 2021 04:49 AM PDT Using a new mechanistic model of evolution on Earth, researchers can now better explain why the rainforests of Africa are home to fewer species than the tropical forests of South America and Southeast Asia. The key to high species diversity lies in how dynamically the continents have evolved over time. |
| Nasal microbiota holds clues to who will develop symptoms from novel coronavirus Posted: 28 Sep 2021 04:49 AM PDT The microbiota in the nose and upper throat likely contains biomarkers for assessing how sick an individual infected with SARS-CoV-2 may get and for developing new treatment strategies to improve their outcome, researchers say. |
| Deep roots of the 'Anthropocene' can be found in tropical forests Posted: 27 Sep 2021 12:05 PM PDT A new special edition of the Proceedings of the National Academy of Sciences showcases multidisciplinary approaches to exploring human impacts on tropical forests and their associated Earth systems. |
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