A handful of new studies moves the needle toward a consensus on the long-disputed question of whether insect wings evolved from legs or from the body wall, but the devil is in the details.
Today’s extinction rates are sky-high. But scientists debate if that’s sufficient evidence to conclude that Earth is undergoing a mass extinction event—or whether that’s even a helpful designation.
In Chapter 2, "Consequences and Evolution: The Cause That Works Backwards," author Susan M. Schneider places evolutionary theory in terms of the science of consequences.
A reference sequence for this emerging model organism will facilitate research on type 2 diabetes and the health effects of circadian rhythm disruption.
All multicellular creatures interact with bacteria, but some have taken the relationship to another level with highly specialized structures that house, feed, and exploit the tiny organisms.