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ScienceDaily: Plants & Animals 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. |
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. |
Malaria parasite ticks to its own internal clock Posted: 14 May 2020 11:35 AM PDT Researchers have long known that all of the millions of malaria parasites within an infected person's body move through their cell cycle at the same time. They multiply in sync inside red blood cells, then burst out in unison every few days. But how the parasites keep time was unclear. Now, a study finds that malaria has its own internal clock that causes thousands of genes to ramp up and down at regular intervals. |
SARS lessons for COVID-19 vaccine design Posted: 14 May 2020 08:58 AM PDT Important lessons learned from the Severe Acute Respiratory Syndrome (SARS) outbreak of 2002-2003 could inform and guide vaccine design for COVID-19, according to a new article. |
Global spread of the multi-resistant pathogen Stenotrophomonas maltophilia Posted: 14 May 2020 08:57 AM PDT Researchers have found a remarkable global spread of strains of a multi-resistant bacterium that can cause severe infections -- Stenotrophomonas maltophilia. The study provides for the first time a systematic understanding of the global phylogeny of S. maltophilia strains and shows ways to efficiently monitor the pathogen using a genomic classification system. |
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. |
The microbiome controls immune system fitness Posted: 11 May 2020 12:48 PM PDT New research shows how the microbiome helps render the immune system capable of responding to pathogens. If absent, relevant mediators are not released, resulting in a failure to activate metabolic processes in certain immune cells, according to the researchers' report. |
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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