Oct 23, 2000 · Biologists refer to such nodes as the last common ancestor of a group of organisms, and all tips that connect to a particular node form a clade. ... (with whom we share 99 percent of our genes ...
Jun 17, 2016 · In 2013, the top 1 percent of Americans made 25 times as much in income, on average, as the bottom 99 percent, the report found. And the gap has been widening over time. The study found that...