Osteoblast, or bone-forming cell, growing on a new type of bone scaffold being developed to repair damaged bones. The scaffold is made of calcium oxide and silicon dioxide with added strontium and zinc to help the bone cells to grow better.
Two interphase cells with immunofluorescence labeling of actin filaments (purple), microtubules (yellow), and nuclei (green). This image won first place in the Nikon 2003 Small World photo competition. The Cell: An Image Library - Image
infinity-imagined: Coccolithophores are microscopic algae that first appeared 220 million years ago, and flourished during the cretaceous period. They constantly remove carbon from the atmosphere as they die and sink to the ocean floor, producing chalk.
A one-dollar U. banknote was imprinted on an agar plate and the bacterial colonies growing were harvested all together, fixed, and examined by SEM. A wide variety of bacteria was found, indicating that paper money may spread bacterial infections.
If you believe that waves, waterscapes, and waterfalls pretty well use up all the opportunities that water provides for picture-taking, think again. Here are seven more photography tips with water—remedies for the photo doldrums!