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ScienceDaily: Earth & Climate News |
Tourist photographs are a cheap and effective way to survey wildlife Posted: 22 Jul 2019 03:21 PM PDT Tourists on safari can provide wildlife monitoring data comparable to traditional surveying methods, suggests new research. The researchers analyzed 25,000 photographs from 26 tour groups to survey the population densities of five top predators (lions, leopards, cheetahs, spotted hyenas, and wild dogs) in northern Botswana, making it one of the first studies to use tourist photographic data for this purpose. |
Parasitic plants use stolen genes to make them better parasites Posted: 22 Jul 2019 03:21 PM PDT Some parasitic plants steal genetic material from their host plants and use the stolen genes to more effectively siphon off the host's nutrients. A new study reveals that the parasitic plant dodder has stolen a large amount of genetic material from its hosts, including over 100 functional genes, through a process called horizontal gene transfer. |
Vampire algae killer's genetic diversity poses threat to biofuels Posted: 22 Jul 2019 10:25 AM PDT New DNA analysis has revealed surprising genetic diversity in a bacterium that poses a persistent threat to the algae biofuels industry. With the evocative name Vampirovibrio chlorellavorus, the predatory pest sucks out the contents of the algae cells (thus the vampire reference) and reduces a productive, thriving, green algae pond to a vat of rotting sludge. |
Americans are drilling deeper than ever for fresh water Posted: 22 Jul 2019 08:59 AM PDT A new study shows Americans are drilling deeper than ever for fresh water. |
Lots of lead in the water? Maybe manganese is to blame Posted: 22 Jul 2019 08:59 AM PDT In the right environment, a harmless mineral can do a lot to change the composition of the drinking water that flows through lead pipes. New research discovers how. |
Airborne lidar system poised to improve accuracy of climate change models Posted: 22 Jul 2019 08:59 AM PDT Researchers have developed a laser-based system that can be used for airborne measurement of important atmospheric gases with unprecedented accuracy and resolution. The ability to collect this data will help scientists better understand how these atmospheric gases affect the climate and could help improve climate change predictions. |
More sensitive climates are more variable climates Posted: 22 Jul 2019 08:19 AM PDT A decade without any global warming is more likely to happen if the climate is more sensitive to carbon dioxide emissions, new research has revealed. |
New approach needed to address Anthropocene risk Posted: 22 Jul 2019 08:19 AM PDT A team of international researchers suggest adopting a holistic approach to understanding environmental risks. |
Phthalate MEHP and cardiac arrhythmias Posted: 22 Jul 2019 05:58 AM PDT A new study examines the potential role plastic exposure, akin to exposure in a medical setting, has on heart rhythm disruptions. |
New species of pocket shark identified Posted: 21 Jul 2019 05:58 AM PDT A team of researchers has identified a new species of pocket shark. The 5-and-a-half-inch male kitefin shark has been identified as the American Pocket Shark, or Mollisquama mississippiensis, based on five features not seen in the only other known specimen of this kind. |
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