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Agriculture & Environment

Earth Sciences
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Uneven Nutritional Payoffs for Marine Predators Revealed

New study finds that the nutritional value of prey within a single species can widely vary, offering key insights for food web dynamics and ecosystem change The hunt is on and a predator finally zeroes in on its prey. The animal consumes the nutritious meal and moves on to forage for its next target. But how much prey does a predator need to consume? Following a period of massive starvation among animals living along the California coast, University of California…

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Agricultural & Forestry Science

New Technique Enhances Trophy Buck Age Determination

UVALDE – Researchers at the Texas AgriLife Research and Extension Center in Uvalde have developed a more accurate technique than traditional methods for…

Earth Sciences

NASA Tracks Twin Tropical Cyclones in Northern Australia

One of them has strengthened enough to be named Tropical Cyclone Lua, while the other is still getting organized and is a tropical low pressure area. The…

Environmental Conservation

How Baboon-Like Social Structure Benefits Spotted Hyenas

“Understanding how animal social systems work is an important part of learning what we need to know to conserve them,” said Russell Van Horn, researcher with…

Agricultural & Forestry Science

Forest Growth Surges in Northern U.S., Outpacing Other Regions

U.S. Forest Service scientists today released an assessment that shows forest land has expanded in northern states during the past century despite a…

Earth Sciences

California's Snow Not Disappearing Despite Drought

The analysis of snowfall data from as far back as 1878 found no long-term trend in how much snow falls in the state, especially in the critical western slope…

Earth Sciences

Cool Bands of Air Girdle Globe

Global climate trend since Nov. 16, 1978: +0.13 C per decadeFebruary temperatures (preliminary)Global composite temp.: -0.12 C (about 0.22 degrees Fahrenheit)…

Earth Sciences

New Theory Explains Formation of Earth’s Oldest Continents

The earth's structure can be compared to an orange: its crust is the peel supported by the earth's heavy mantle. That peel is made up of a continental crust 30…

Earth Sciences

First Dinosaur in Spain Is Younger Than Expected

The Aragosaurus was the first sauropod dinosaur described in Spain some 25 years ago in Galve (Teruel), but its age was never clear. And now it has been…

Environmental Conservation

Innovative Tracking of Oil Spill Movement in Gulf of Mexico

When oil started gushing into the Gulf of Mexico in late April 2010, friends asked George Haller whether he was tracking its movement. That's because the…

Environmental Conservation

Roadway with Recycled Toilets Is World's First Official 'Greenroad'

The Greenroads Foundation made the award last month to the Meador Kansas Ellis Trail project, which was recognized for doing things such as using low-energy…

Environmental Conservation

Invasive Species Disrupt Nutrient-Poor Ecosystems Through Fertilization

Invasive species are prolific non-native plants or animals that, when introduced to an ecosystem, may imbalance the system and disrupt its natural functioning….

Earth Sciences

Greenland Ice Sheet: Complete Melting at 1.6°C Global Warming

The temperature threshold for melting the ice sheet completely is in the range of 0.8 to 3.2 degrees Celsius global warming, with a best estimate of 1.6…

Earth Sciences

NASA's TRMM Satellite Sees Hot Towers in Cyclone Koji

The Tropical Rainfall Measuring Mission (TRMM) satellite passed directly above an intensifying tropical storm in the South Indian Ocean called Koji on March 8,…

Earth Sciences

NASA Monitors Weakening Cyclone Irina in Mozambique Channel

On March 8 at 1500 UTC (10 a.m. EST), Irina's winds had finally dropped below 45 knots (51.7 mph/83.3 kph) to 35 knots (40.2 mph/64.8 kph) making it a minimal…

Earth Sciences

Mapping Earth’s Crust: Insights from GOCE Data

Earth’s crust is the outermost solid shell of our planet. Even though it makes up less than 1% of the volume of the planet, the crust is exceptionally…

Earth Sciences

TacSat-4 Enhances Satellite Communication in Polar Regions

Returning from an escort and icebreaking mission to Nome, Alaska, assisting the Russian tanker Renda delivery of emergency fuel to the town, the USCGC HEALY —…

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