Do you understand evolutionary trees?  (Part One)

Do you understand evolutionary trees? (Part One)

A single figure graces the pages of Charles Darwin's groundbreaking work On the Origin of Species, first published in 1859. The figure in question depicts a tree-like sequence of branchings through…
How Do Red Blood Cells Eject Their Nuclei?

How Do Red Blood Cells Eject Their Nuclei?

Unlike the rest of the cells in your body, your red blood cells lack nuclei. That quirk dates back to the time when mammals began to evolve. Other vertebrates such as fish, reptiles, and birds, have…
Identified:  New Cellular Receptor For HIV

Identified: New Cellular Receptor For HIV

A cellular protein that helps guide immune cells to the gut has been newly identified as a target of HIV when the virus begins its assault on the body's immune system, according to researchers from…
Raytheon's SUV Has Radiation Detection Capability

Raytheon's SUV Has Radiation Detection Capability

Raytheon Company has delivered a new SUV to the Department of Homeland Security's Domestic Nuclear Detection Office - with a radiation detection system. It's designed to operate in urban environments…