The earliest hominid with the most extensive evidence for bipedalism is the 4.4-million-year-oldArdipithecus ramidus. In 2009, researchers announced the results of more than 15 years of analysis of the species and introduced the world to a nearly complete skeleton called Ardi. Where did human bi...
Australopithecus afarensis, Lucy's species. When this small-bodied, small-brained hominin was discovered, it proved that our early human relatives habitually walked on two legs. Its story began to take shape in late November 1974 in Ethiopia, with the discovery of the skeleton of a small female...
Blackwell, who has studied quorum sensing for more than 10 years, explains that inhibiting quorum sensing may provide a new way to controlpathogenic bacteria. "We are approaching the end of the antibiotic era, as bacteria evolve resistance to some of our most advanced drugs, and scientists are ...