The U.S. has not suffered a truly devastating earthquake in more than 100 years. A new report noted the lack of disaster resilience after Hurricane Katrina.
An archaeological site in Texas has yielded almost 16,000 pieces of evidence that people were present in the Americas about 2,500 years earlier than thought.
Researchers patented a process involving a genetically-modified form of blue-green bacteria that converts sunlight and carbon dioxide directly into diesel fuel.
Insects encased in 50 million-year-old amber deposits suggest that India's geologic history may have to be revised, according to an October 2010 report.