News tagged with aquatic mammals
Natural-born divers and the molecular traces of evolution
Jun 29, 2009 |
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An aquatic lifestyle imposes serious demands for the organism, and this is true even for the tiniest molecules that form our body. When the ancestors of present marine mammals initiated their return to the oceans, their ...
Fossil evidence of missing link in the origin of seals, sea lions, walruses found in Canadian Arctic
Other Sciences / Archaeology & Fossils
Apr 22, 2009 |
4.8 / 5 (13) |
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(PhysOrg.com) -- Researchers from the United States and Canada have found a fossil skeleton of a newly discovered carnivorous animal, Puijila darwini. New research suggests Puijila is a "missing link" in the ...
Search results for aquatic mammals
Antarctic lake home to diverse community of viruses
Nov 11, 2009 |
4.9 / 5 (17) |
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(PhysOrg.com) -- A study of the genetic structure of viruses in an Antarctic lake has revealed an astonishing genetic richness in the large number of viral families discovered.
Missing Link Between Whales and Four-Footed Ancestors Discovered
Biology /
Dec 19, 2007 |
4.2 / 5 (42) |
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Scientists have discovered the missing link between whales and their four-footed ancestors. The result is reported in this week's issue of the journal Nature. The research is funded by the National Scienc ...
Early detection sought for aquatic invasive weed Eurasian Watermilfoil
Jul 03, 2009 |
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(PhysOrg.com) -- Battling invasive plants is nothing new to Montanans, but a newcomer on the scene dwells in the water. This aquatic invader is called Eurasian watermilfoil. Fortunately, Montanans can take preventive action ...
53 million-year-old high Arctic mammals wintered in darkness
Space & Earth / Earth Sciences
Jun 01, 2009 |
4.8 / 5 (17) |
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(PhysOrg.com) -- Ancestors of tapirs and ancient cousins of rhinos living above the Arctic Circle 53 million years ago endured six months of darkness each year in a far milder climate than today that featured ...
Supplements are not nutritious
Apr 04, 2008 |
3.4 / 5 (11) |
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Selenium supplementation, for example in mineral tablets, might not be that beneficial for the majority of people according to researchers writing in the open access journal Genome Biology. Although this trace element is ...
Melting Arctic ice affecting walrus calves
Apr 13, 2006 |
3.4 / 5 (7) |
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Scientists have reported an unprecedented number of unaccompanied and possibly abandoned walrus calves in the Arctic Ocean.
Contrary to Common Wisdom, Some Mammals Can Smell Objects Under Water
Biology /
Dec 20, 2006 |
3.8 / 5 (5) |
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A Vanderbilt researcher has discovered that some stealthy mammals have been doing something heretofore thought impossible -- using the sense of smell under water.
Small mammals have a 'Celtic fringe' too
Sep 30, 2009 |
4.6 / 5 (9) |
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The origin of the 'Celtic fringe' of genetically and culturally distinctive people in the northern and western British Isles is the source of fierce academic controversy.
How does this grab you? Study identifies first ancestor with a 'grasping hand'
Other Sciences / Archaeology & Fossils
Jul 29, 2009 |
4.3 / 5 (3) |
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In the Late Paleozoic (260 million years ago), long before dinosaurs dominated the Earth, ancient precursors to mammals took to the trees to feed on leaves and live high above predators that prowled the land, ...
Molecular Decay of Enamel-Specific Gene in Toothless Mammals Supports Theory of Evolution
Sep 04, 2009 |
4.6 / 5 (17) |
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(PhysOrg.com) -- Biologists at the University of California, Riverside report new evidence for evolutionary change recorded in both the fossil record and the genomes (or genetic blueprints) of living organisms, ...
List of search results for aquatic mammals
