... is a powerful tool for understanding behavior and physiology."
Some paleontologists have suggested that the crests heightened the sense of smell by increasing the surface area of the sensory tissue ...
... 's lab analyzed the blood samples for the stress hormone corticosterone. They found that larger crests correlated with lower levels of corticosterone in the males' bloodstream.
"Theoretically males ...
In at least one breed of northern seabird, the size of males' feather crests may be more than simple ornamentation. Crest size may be a physical indicator of a male crested auklet’s quality as a mate. ...
... /geomorph) and recently included in the Research Highlights of Nature, shows that there may be erosion of the crest. Kurt Stüwe of the University of Graz, Austria, together with his colleagues, used a ...
... Ph.D., and his team found that Merkel cells originate in the skin, not the neural crest lineage, as previously speculated. The study, "Mammalian Merkel Cells are Descended from the Epidermal Lineage ...
... show many osteological transformations, for instance, the increase in the size of deltopectoral crest of the humerus and of the keel of the sternum. These features provide osteological evidence for ...
This Envisat image features salt flats in the Department of Potosi in southwest Bolivia, near the crest of the Andes Mountains.
... well as the evolution of the head that distinguishes vertebrates from other creatures."
The neural crest was first identified by classical embryologists in the late 19th and early 20th centuries and ...
With the price of oil cresting over $130 per barrel, the timing of Chevrolet's "Project Driveway" field market research could not be better. The program is an opportunity for consumers in California, ...
... , according to UFZ researchers. In North America by comparison, a management plan for the Double-crested Cormorant has been in operation since 2003, although the problem there is just as complex as it ...
... striking their surfaces. A hologram additionally records a light wave's "phase"—the precise locations of the crests and valleys in the wave. However, much more happens in a light wave. Even the most ...
... well as more than a thousand pairs of gulls and two nesting pairs of double-crested cormorants.
Redistributing the terns is critical because research by Oregon State University scientists found that ...
... his specialties is hydrogeology. He said that the floodwaters are projected to crest at St. Louis at 38 feet on June 22 ... flood of 1993 waters at St. Louis crested at 49.6 feet.
The Missouri River ...
... genes in amphioxus that are similar to vertebrate genes related to neural crest cells, however in cephalochordates they are used for other functions. This finding raises the intriguing possibility ...
... warm and later when spring is cool.
Birds that winter further south, like the great crested flycatcher, which spends its winters in South America, are slow to change, though. Their migration times ...
