Researchers create most complete model of complex protein machinery

Environmental conditions, lifestyle choices, chemical exposure, and foodborne and airborne pathogens are among the external factors that can cause disease. In contrast, internal genetic factors can be responsible for the ...

A new mechanism for accessing damaged DNA

UV light damages the DNA of skin cells, which can lead to skin cancer. But this process is counteracted by DNA repair machinery, acting as a molecular sunscreen. It has been unclear, however, how repair proteins work on DNA ...

How a 'repair economy' creates a better community

John switches on the power saw he's bought secondhand on eBay. The machine "arcs—shooting out a visible electric charge. So he takes it apart to investigate. He identifies the problem: the field coil, a current-carrying ...