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Tapeworm Eggs Discovered in 270-Million-Year-Old Fossil Shark Feces
January 30, 2013 — A cluster of tapeworm eggs discovered in 270-million-year-old fossilized shark feces suggests that intestinal parasites in vertebrates are much older than previously ... > full story -
Lake Mead Aquatic-Science Research Documents Substantial Improvements in Ecosystem
January 30, 2013 — Lake Mead National Recreation Area's water quality is good, the sport fish populations are sufficient, and the lakes provide important habitat for an increasing number of birds. This positive trend ... > full story -
How Plant Communities Endure Stress
January 30, 2013 — The Stress Gradient Hypothesis holds that as stress increases in an ecosystem, mutually supportive interactions become more significant and negative interactions, such as competition, become less so. ... > full story -
Depression-Era Drainage Ditches Emerge as Sleeping Threat to Cape Cod Salt Marshes
January 25, 2013 — Cape Cod, Massachusetts has a problem. The iconic salt marshes of the famous summer retreat are melting away at the edges, dying back from the most popular recreational areas. The erosion is a ... > full story -
Underwater CO₂ Shows Potential as Barrier to Asian Carp
January 23, 2013 — As the Asian carp population grows and the threat of the invasive species entering Lake Michigan through one of the Chicago canals is monitored, a researcher believes using two barrier methods is ... > full story -
Wood on the Seafloor: An Oasis for Deep-Sea Life
January 22, 2013 — Sunken woods promote the dispersal of rare deep-sea animals, forming hotspots of biodiversity at the deep ... > full story -
Removing Doubt Over Croc Snout Clout
January 18, 2013 — Researchers have shown how the shape of a crocodile's snout could determine its ability to feast on certain types of prey, from large mammals to small ... > full story -
New Research Throws Doubt on Earlier 'Killer Walrus' Claims
January 17, 2013 — Palaeontologists who examined a new fossil found in southern California have thrown doubt on earlier claims that a "killer walrus" once ... > full story -
Threats Caused by Dam-Building Activities in Indian Himalaya
January 17, 2013 — A team of researchers found that unprecedented dam building in the Indian Himalaya holds serious consequences for biodiversity and could pose a threat to human lives and ... > full story -
Fish Journeying Upstream Are Hampered by Hydropower Dams: Facilities in Northeastern U.S. Fail to Allow Passage of Migrating Fish
January 16, 2013 — Major hydropower dams in the northeastern United States, constructed with state-of-the-art features designed to allow migratory fish to pass through them on their way to spawn upstream, have failed ... > full story
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