ScienceDaily: Top Environment News |
- Gene mutation in dogs offers clues for neural tube defects in humans
- Black bears return to Missouri indicates healthy forests
- First global atlas of marine plankton reveals remarkable underwater world
- Lizards show evolution is predictable
- Antibiotic-resistant bacteria widespread in Hudson River, study finds
- Dynamical properties in antibiotic resistance enzyme investigated
- Climate change could deprive Volta Basin of water needed to boost energy and food production
- It's not just the heat, it's the ozone: Hidden heat wave dangers exposed
- Dog hair can be used to diagnose hormonal problems in dogs
- Scientists discover new variability in iron supply to the oceans with climate implications
| Gene mutation in dogs offers clues for neural tube defects in humans Posted: 19 Jul 2013 11:00 AM PDT A gene related to neural tube defects in dogs has for the first time been identified. The gene may be an important risk factor for human neural tube defects, including anencephaly and spina bifida. |
| Black bears return to Missouri indicates healthy forests Posted: 19 Jul 2013 11:00 AM PDT Thanks to a reintroduction program in Arkansas during the 50s and 60s, hundreds of bears amble through the forests of southern Missouri, according to a new study by biologists, who warn that although the bear population is still small, outdoor recreationists and homeowners should take precautions in the Ozark forest to avoid attracting bears. |
| First global atlas of marine plankton reveals remarkable underwater world Posted: 19 Jul 2013 08:21 AM PDT Under the microscope, they look like they could be from another planet, but these microscopic organisms inhabit the depths of our oceans in nearly infinite numbers. To begin to identify where, when, and how much oceanic plankton can be found around the globe, international researchers have compiled the first ever global atlas cataloguing marine plankton. |
| Lizards show evolution is predictable Posted: 19 Jul 2013 07:49 AM PDT If you could hit the reset button on evolution and start over, would essentially the same species appear? Yes, according to a study of Caribbean lizards. |
| Antibiotic-resistant bacteria widespread in Hudson River, study finds Posted: 19 Jul 2013 05:52 AM PDT The risk of catching some nasty germ in the Hudson River just started looking nastier. Disease-causing microbes have long been found swimming there, but now researchers have documented antibiotic-resistant strains in specific spots, from the Tappan Zee Bridge to lower Manhattan. |
| Dynamical properties in antibiotic resistance enzyme investigated Posted: 19 Jul 2013 05:52 AM PDT Using biophysical modeling and bioinformatics analysis, researchers show significant evolution in the structural characteristics and physiochemical properties of the antibiotic-destroying enzyme beta-lactamase across bacterial families, but also find that these evolutionary characteristics do not appear to be specifically related to different versions of antibiotic resistance. The results are far from reassuring, since they show that new antibiotic resistance is relatively easy for bacteria to evolve. |
| Climate change could deprive Volta Basin of water needed to boost energy and food production Posted: 19 Jul 2013 05:51 AM PDT A new study finds that so much water may be lost in the Volta River Basin due to climate change that planned hydroelectric projects to boost energy and food production may only tread water in keeping up with actual demand. Some 24 million people in Ghana, Burkina Faso and four other neighboring countries depend on the Volta River and its tributaries as their principal source of water. |
| It's not just the heat, it's the ozone: Hidden heat wave dangers exposed Posted: 19 Jul 2013 05:39 AM PDT During heat waves – when ozone production rises as plants' ozone absorption is curtailed -- more pollution is left in the air. This resulted in the loss of an estimated 460 lives in the UK in the hot summer of 2006. |
| Dog hair can be used to diagnose hormonal problems in dogs Posted: 19 Jul 2013 05:39 AM PDT A surprisingly large number of dogs suffer from hyperadrenocorticism. The symptoms are caused by excessive amounts of hormones – glucocorticoids – in the body. Unfortunately, though, diagnosis of the disease is complicated by the fact that glucocorticoid levels naturally fluctuate and most methods for measuring the concentration of the hormones in the blood provide only a snapshot of the current situation. Recent research has shown that glucocorticoids accumulate in the animals' hair and that analysis of a dog's hair can provide quick and reliable preliminary diagnosis. |
| Scientists discover new variability in iron supply to the oceans with climate implications Posted: 19 Jul 2013 05:39 AM PDT The supply of dissolved iron to oceans around continental shelves has been found to be more variable by region than previously believed – with implications for future climate prediction. |
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