Thousands of metres below the surface, scientists are still finding animals they have never seen before.
Yujingia lived during the Cambrian explosion, when most major animal groups first appeared in the fossil record. Much of the ...
X-ray diffraction studies confirm that, with few exceptions, each skeletal element of echinoderms is a single crystal of magnesium-rich calcite and that a relation exists between the shape of the ...
Nearly every morning when she was a doctoral student in the College of Arts and Sciences (CAS), Nicole Nakata, Ph.D. '23 ...
The oldest known "carpoids" of the echinoderm subphylum Homalozoa have been discovered in lower Middle Cambrian rocks of northern Utah. They were free-living benthonic animals characterized by a ...
Aerobic exercise can include different activities like power walking, running, dancing, and jumping rope. These activities increase your heart rate and challenge your muscles, helping to improve ...
A big, lethargic, heavy-bodied duck of northern coastlines. The Common Eider can be seen floating offshore in flocks of up to several thousand birds. Sociable in breeding season also, and often nests ...