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…
A powerful method for analyzing and predicting nature's dynamic and interconnected systems is now providing new forecasting and management tools for Canada's…
Well, it all starts with biological structures called tubercles that the whale uses for its unique maneuvers in the ocean. Felix Ewere, a doctoral student at…
An on-board air filtration system developed specifically for school buses reduces exposure to vehicular pollutants by up to 88 percent, according to a study by…
NASA's Terra satellite revealed that Tropical Cyclone Glenda was being stretched out by wind shear on Feb. 27.
Canine distemper virus strikes wild carnivores of all stripes, including Amur tigers, – also called Siberian tigers – which roam the Russian Far East in…
From Saharan dust storms to icy clouds to smoke on the opposite side of the continent, the first image from NASA's newest cloud- and aerosol-measuring…
NASA's Aqua satellite passed over Glenda and the AIRS instrument aboard captured infrared data on the storm on Feb. 25 at 06:47 UTC (1:47 A.M. EST). At that…
“Ecosystem services are the benefits provided by functioning ecosystems to people,” wrote environmental scientist Heather Leslie, the Peggy and Henry D. Sharpe…
While the fossil turtle and its kin could move northward with higher temperatures, human pressures and habitat loss could prevent a modern-day migration,…
Their study, published today in the journal Ecology Letters, represents the first continental-scale examination of historical changes in levels of…
at previous estimate, from the U.N.’s Food and Agriculture Organization’s (FAO) Forest Resource Assessment, was based on a collection of reports from dozens of…
The team was the first to document that the extreme increase in sea level lasted two years, not just a few months.
The study is one of the first to rigorously explore climate warming's impact on “ecological subsidies,” or the exchange of nutrients and organisms between…
Scientists have observed an increase in carbon dioxide’s greenhouse effect at the Earth’s surface for the first time. The researchers, led by scientists from…
Most life on Earth depends on food produced through photosynthesis by plants or marine plankton. In contrast, animals at deep-sea hydrothermal vents and…
The Sahara Desert is a near-uninterrupted brown band of sand and scrub across the northern third of Africa. The Amazon rain forest is a dense green mass of…
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