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ScienceDaily: Earth & Climate News |
Modern sea-level rise linked to human activities Posted: 15 May 2020 11:46 AM PDT New research reaffirms that modern sea-level rise is linked to human activities and not to changes in Earth's orbit. Surprisingly, the Earth had nearly ice-free conditions with carbon dioxide levels not much higher than today and had glacial periods in times previously believed to be ice-free over the last 66 million years, according to a new article. |
Early humans thrived in this drowned South African landscape Posted: 15 May 2020 10:19 AM PDT Scientists have reconstructed the paleoecology the Paleo-Agulhas Plain, a now-drowned landscape on the southern tip of Africa that was high and dry during glacial phases of the last 2 million years and may have been instrumental in shaping the evolution of early modern humans. |
Shrub encroachment on grasslands can increase groundwater recharge Posted: 15 May 2020 10:19 AM PDT A new study modeled shrub encroachment on a sloping landscape and reached a startling conclusion: Shrub encroachment on slopes can increase the amount of water that goes into groundwater storage. The effect of shrubs is so powerful that it even counterbalances the lower annual rainfall amounts expected during climate change. |
Global cooling event 4,200 years ago spurred rice's evolution, spread across Asia Posted: 15 May 2020 08:56 AM PDT A major global cooling event that occurred 4,200 years ago may have led to the evolution of new rice varieties and the spread of rice into both northern and southern Asia, an international team of researchers has found. |
Innovative virus research may save wheat and other crops Posted: 15 May 2020 07:39 AM PDT Scientists have solved a 20-year-old genetics puzzle that could result in ways to protect wheat, barley, and other crops from a devastating infection. |
Pine martens like to have neighbors -- but not too near Posted: 15 May 2020 07:39 AM PDT Pine martens need neighbors but like to keep their distance, according to new research. |
Coordination polymer glass provides solid support for hydrogen fuel cells Posted: 13 May 2020 05:18 AM PDT Scientists are synthesizing stronger and more efficient materials for hydrogen fuel cell membranes. Most fuel cells currently on the market employ liquid membranes. A new coordination polymer glass membrane works just as well as its liquid counterparts with added strength and flexibility. |
Chemical composition of bedrock limits vegetation growth in karst regions Posted: 13 May 2020 05:18 AM PDT Scientists have revealed the critical role that the chemical composition of bedrock plays in limiting vegetation growth in some of the world's most barren and rocky terrains. |
How to boost plant biomass: Biologists uncover molecular link between nutrient availability, growth Posted: 11 May 2020 12:48 PM PDT Plant genomic scientists have discovered the missing piece in the molecular link between a plant's perception of the nitrogen dose in its environment and the dose-responsive changes in its biomass. |
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