The cell fragments play a role in the body’s first line of defense against bacterial infection, helping white blood cells grab blood-borne bacteria in the liver.
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Some question the supposition that viable cells and DNA will be found in a remarkably preserved carcass, purported to harbor fresh muscle tissue and flowing blood.
Highways and byways are among the man-made environmental alterations driving the evolution of animals on contemporary timescales, with implications for ecology.
Raising one evolutionary question after another, Brandon Gaut has harvested a crop of novel findings about how plant genomes evolve.
Yale University evolutionary biologist Steven Brady studies the evolutionary impacts of roads on the amphibians.
A newly discovered fossil of what may be the earliest known bird redraws the picture of the early avian evolution, but some researchers are not convinced.
Malaria parasites transmitted via mosquitoes elicit a more effective immune response and cause less severe infection than those directly injected into red blood cells.
Despite cicadas’ high profile, scientists still don’t fully understand when and why they decide it is time to mate.
The activity of one type of immune cell helps regrow the limbs of amputated salamanders.
A new class of immune cell could protect against type 1 diabetes by suppressing other immune cells.
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