Author Michael Guillen, president of Spectacular Science Productions, who has taught physics at Harvard and was a science editor for ABC News, commented on the scientific discovery from May regarding human ancestors in a Saturday op-ed for Fox News.
Summarizing the discovery, announced by a team of U.S. and Swiss scientists, Guillen wrote that "all humans alive today are the offspring of a common father and mother — an Adam and Eve — who walked the planet 100,000 to 200,000 years ago, which by evolutionary standards is like yesterday."
"Moreover, the same is true of nine out of every 10 animal species, meaning that nearly all of Earth’s creatures living today sprang into being recently from some seminal, Big Bang-like event," he added.
As Mark Stoeckle at Rockefeller University and David Thaler at the University of Basel explained back in May, they based their findings on analysis of DNA “bar codes” of 5 million animals from 100,000 different species.
“Experts have interpreted low genetic variation among living humans as a result of our recent expansion from a small population in which a sequence from one mother became the ancestor for all modern human mitochondrial sequences,” Thaler said back them.
“Our paper strengthens the argument that the low variation in the mitochondrial DNA of modern humans also explains the similar low variation found in over 90 percent of living animal species — we all likely originated by similar processes and most animal species are likely young.”