Scanning electron micrograph (SEM) of the seminiferous in the testis of a rat. Magnification = x400.
© Micro Discovery/Corbis
The Great Prismatic at the Yellowstone National Park in Wyoming, USA
Hot springs like these still hold archeobacteria, primitive life forms that are vital ancestors to all yesterday’s and today’s plant species. These bacteria and its ancestors changed the destiny of our planet.
Remember the human brain cell and the universe?