Several circular herpes virus particles are seen near a cell membrane. Roseola herpes virus causes a childhood illness marked by skin rashes and now has been found in brains with Alzheimer's disease.
In these two two-cell mouse embryos, the surface of the embryos is outlined in orange, the DNA in the nucleus is indicated in blue and the activity of the LINE-1 gene is indicated via bright red spots.
Cars wait to enter Fort Bliss in El Paso, Texas, in 2014. The U.S. Army Base is one of four that likely will be tasked with housing immigrant children following a request Thursday by the Department of Health and Human Services.
Juan Carlos LLorca/AP
Charles Krauthammer, pictured on the Fox News Channel, died of cancer at the age of 68. His death was announced by the Washington Post, where he was a Pulitzer Prize-winning columnist in addition to his work as a commentator for Fox.
Fox News Channel