Controversy over DNA sequencing of 90 Egyptian mummies

One of the most hotly-contested fields of genetics revolves around the genetic lineage of ancient Egyptians. A new study of 90 Pre-Ptolemaic, Ptolemaic, and Roman mummies raises as many questions as it answers. Read the rest

Animations showing the population of every U.S. county from the 18th century until now

Len Keifer created a series of visualizations that depict the relentless growth and westward expansion of the U.S. Census Bureau. Read the rest