Syphilislike Diseases Have Plagued Humans for 14,000 Years
Oldest evidence of syphilis-causing microorganisms found in remains of people on the eastern coast of South America 2,000 years ago.
Discovery challenges the theory that Columbus's crew brought syphilis to Europe and pushes back the origins of syphilis by thousands of years. [ more ]
NASA Astronauts Checking Exterior of Space Station for Living Organisms
Microorganisms can survive extreme conditions outside the International Space Station, hinting at the possibility of life on other solar system bodies. [ more ]