Frogs, like mammals, originated as predominantly nocturnal animals, but maintained the ability to communicate acoustically after switching to being active during the day. Credit: Peter…
Posts published in “University Of Arizona”
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3D computer-generated rendering of a whole influenza (flu) virus. Our immune response is triggered by the virus’ hemagglutinin (HA) and neuraminidase (NA) surface proteins, shown…
These images show the four candidate sample collection sites on asteroid Bennu: Nightingale, Kingfisher, Osprey and Sandpiper. One of these four sites will ultimately be…
The Taurus Molecular Cloud, pictured here by ESA’s Herschel Space Observatory, is a star-forming region about 450 light-years away. The image frame covers roughly 14…