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The rising demand for biofuels has led farmers to withdraw lands from federal programs aimed at preserving wetlands such as prairie potholes to produce fuel feedstock crops. Biofuels are meant to reduce greenhouse gases that threaten wetlands inhabited by migratory ducks. Environmental effects of the impending loss of wetlands such as prairie potholes are discussed.

The efforts of wildlife conservationists to understand the importance of sleep in animal behavior, through the study of animals' sleeping habits are described.

The adverse impact of global warming on plants and animals in the cloud forest of Andean region is discussed.

On May 24, 1869, Major John Wesley Powell, a one-armed former Union soldier, put four wooden boats into the water at Wyoming's Green River, beginning a 1,043-mile journey down the [...]

On the crest of the eastern Andes, about an eight-hour drive on a dirt road from Cuzco, Peru, is an expansive vista of one of the most diverse forests on […]

The role of biologist Scott Eckert with Duke University in conserving leatherback turtles, in Caribbean Sea, is discussed.

The need to preserve the fossa and the lemur species in the Madagascar islands, one of the world's biologically richest islands, is discussed. The island's tropical forests are being converted in to rice farms, or merely bare dirt.

The jumbo-sized Humboldt squid, which feed on fish and each other, have established their presence off the southeastern shore of Baja California, spawning a booming fishery in the Sea of Cortez, also known as the Gulf of California. However, some scientists question whether the squid is a welcome new resource or proof that the Gulf is in trouble, as sharks and other predators dwindle.

There's such a thing as being too forgiving, especially when it comes to major body parts. The liver is the largest solid organ in the body; it's also, due to […]

As his yoga teacher at Iyengar Yoga Institute of Los Angeles raises herself up lithely on all fours, demonstrating the back-stretching "down dog" pose, David Shapiro, PhD, follows along. At [...]

The cosgroves and other researchers are documenting a surprisingly complex array of behaviors and personalities in giant Pacific octopuses. They are trying to understand how these unlikely creatures developed these traits.

It began for my mother with a chronic cough. It was particularly harsh in the morning. When I would call her, she constantly had to clear her throat. The first [...]

Ecotourism offers an alternative to the 'windshield' experience in a variety of national parks. Education and treading lightly are among the goals of this approach. Fourteen tourists gather on a [...]

What it's like to search for new species in an unexplored Peruvian jungle On day one, our Peruvian army M-17 helicopter diverts to pick up a soldier wounded by Shining [...]

Air pollution damages water ways, destroys trees, and clouds view in many of America's national parks. It is midnight in downtown Knoxville, Tennessee, and a transformation is taking place. Warm [...]

Partnerships with government are helping business overcome the challenges that begin with staffing and hiring. On June 23, 1992, Bavarian Motor Works AG made an announcement: For the first time, [...]