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ScienceDaily: Earth & Climate News


Quantifying evolutionary impacts of humans on the biosphere is harder than it seems
Tropical moths in the mountains are larger
Irrigating vegetables with wastewater in African cities may spread disease
Innovative tool allows continental-scale water, energy, and land system modeling
Does climate vary more from century to century when it is warmer?
Newly described fossils could help reveal why some dinos got so big
Puppy-killing disease rampant in Australia
Why shoals of fish flash silver
Role of 'natural factors' on recent climate change underestimated, research shows
Indigenous fire practice protecting the Gibson Desert's biodiversity


Quantifying evolutionary impacts of humans on the biosphere is harder than it seems



Posted: 12 Oct 2018 08:02 AM PDT


Are human disturbances to the environment driving evolutionary changes in animals and plants? A new study finds that, on average, human disturbances don't appear to accelerate the process of natural selection. While the finding may seem reassuring, this unexpected pattern could reflect the limited number of species for which data were available.


Tropical moths in the mountains are larger



Posted: 12 Oct 2018 08:01 AM PDT


Researchers have measured more than 19,000 tropical moths from 1,100 species to find out whether their size varies with elevation. The researchers found clear patterns: moths increase in size significantly at higher elevations.


Irrigating vegetables with wastewater in African cities may spread disease



Posted: 12 Oct 2018 07:22 AM PDT


Urban farmers growing vegetables to feed millions of people in Africa's ever-growing cities could unwittingly be helping to spread disease by irrigating crops with wastewater, a new study reveals.


Innovative tool allows continental-scale water, energy, and land system modeling



Posted: 12 Oct 2018 06:29 AM PDT


A new large-scale hydroeconomic model will allow researchers to study water systems across whole continents, looking at sustainability of supply and the impacts of water management on the energy and agricultural sectors.


Does climate vary more from century to century when it is warmer?



Posted: 12 Oct 2018 05:26 AM PDT


Century-scale climate variability was enhanced when the Earth was warmer during the Last Interglacial period (129,000-116,000 years ago) compared to the current interglacial (the last 11,700 years), according to a new study.


Newly described fossils could help reveal why some dinos got so big



Posted: 10 Oct 2018 01:47 PM PDT


A new, in-depth anatomical description of the best preserved specimens of a car-sized sauropod relative from North America could help paleontologists with unraveling the mystery of why some dinosaurs got so big.


Puppy-killing disease rampant in Australia



Posted: 10 Oct 2018 07:57 AM PDT


A study has found that canine parvovirus (CPV), a highly contagious and deadly disease that tragically kills puppies, is more prevalent than previously thought with 20,000 cases found in Australia each year, and nearly half of these cases result in death.


Why shoals of fish flash silver



Posted: 10 Oct 2018 07:57 AM PDT


Scientists have helped to figure out why shoals of fish flash silver as they twist through the water by studying how the shiny silver cells are created in zebrafish.


Role of 'natural factors' on recent climate change underestimated, research shows



Posted: 10 Oct 2018 07:56 AM PDT


Pioneering new research has given a new perspective on the crucial role that 'natural factors' play in global warming.


Indigenous fire practice protecting the Gibson Desert's biodiversity



Posted: 10 Oct 2018 07:55 AM PDT


Traditional indigenous burning practices are protecting plant biodiversity in Australia's Gibson Desert, according to new research. The study analyzed how environments dominated by flammable spinifex grasses and fire-sensitive desert myrtle shrubs reacted to wildfires, and to the low-intensity burning practices of the Pintupi people.
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