After three of postdoctoral study at UCSD, he went to Germany in 1978 to work at the Max-Planck-Institute for Aeronomy (now MPI for Solar System Research).
The little crocs make an "umph! umph! umph!" sound right before they hatch, Amelie Vergne and Nicolas Mathevon of Universite Jean Monnet in Saint-Etienne, France reported.
"This is important research because it supports the out-of-Africa theory about the origin of modern humans," said Ranjan Deka, a population genetics researcher at the University of Cincinnati.
But empty driveways and unmown lawns are the least of suburbia's problems, according to Christopher Leinberger, an urban theorist and visiting fellow at the Brookings Institution in Washington DC.