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…
“Antimony is an emergent contaminant,” said IU Bloomington Ph.D. student Faye Liu, the paper's lead author. “People have not paid enough attention to it.”Used…
The expedition in early winter to the Bruce Plateau, an ice field straddling a narrow ridge on the northernmost tongue of the southernmost continent, yielded a…
The area burned by fire each year is expected to double – or even triple – if temperatures increase by about 3.5 degrees Fahrenheit (2 C) in our region,…
In the Canaries more than 20, 000 ferrets (Mustela furo) are kept in captivity, and the number of hunting licences in 2007 was 9552. La Palma is the island…
Switchgrass can be used in a number of biofuel applications, but moving it – especially feeding it into boilers – can be problematic, said Klein Ileleji, an…
A study conducted by University of Illinois agricultural economists evaluated subsequent acreage changes across crops to better understand which crops have…
University of Oklahoma researchers are working with Chinese colleagues to better understand intraplate earthquakes—those occurring far from a tectonic plate…
Close to 50 years of data show the Devon Island ice cap, one of the largest ice masses in the Canadian High Arctic, is thinning and shrinking.A paper published…
What do obesity trends in China, barriers to export markets facing small farmers in Kenya, or alternative soil conservation strategies in Peru have in common?…
At the ARS National Center for Agricultural Utilization Research (NCAUR) in Peoria, Ill., ARS chemist Badal Saha conducted a 5-year study that examined whether…
A British scientific expedition has discovered the world's deepest undersea volcanic vents, known as 'black smokers', 3.1 miles (5000 metres) deep in the…
The eruptions of “supervolcanoes” on Earth’s surface have been blamed for causing mass extinctions, belching large amounts of gases and particles into the…
“Supervolcanoes” have been blamed for multiple mass extinctions in Earth's history, but the cause of their massive eruptions is unknown.Despite their global…
The links between zebra mussels, round gobies and contaminated Saginaw Bay walleyes is a disturbing example of unanticipated problems that can occur when…
They have discovered a new type of hominid in South Africa. The fossils with an age of about 1.9 million years show features of both the Australopithecus and…
If you’ve ever been transported by a breath of L’Air du Temps or Chanel °5, then you know something of the sandalwood tree. The oil found in its heartwood…