Rochester, Minnesota - For years, researchers have known that our genome is protected by a system of detection, evaluation and repair processes that activate any time DNA damage occurs. Upon detection, the damage is assessed, repaired in one way or another, or, if it can’t be repaired the cell is cued to self-destruct. Much of that effort is set in motion by a signaling process involving the protein ubiquitin. Enzymes called ubiquitin ligases are charged with the task of tagging the damaged DNA with this ubiquitin protein to call in more help. What hasn’t been clear is how two of the key enzymes that mark the sites of DNA damage and amplify the repair response are called to action. Researchers theorized there was another actor involved, a missing link. Now Mayo Clinic researchers have discovered that link.

Rochester, Minnesota - Despite temperatures expected to hover around 39 degrees on April 5 here in the still snow-capped Bold North, the Minnesota Twins hosted the Seattle Mariners for their home opener at Target Field. (No word on whether Ichiro and company brought hand warmers.) One fan braving Minnesota's winter revival to take in the game was Kyle Traynor, M.D. But Dr. Traynor, a Mayo Clinic OB/GYN specialist, took a chair in the Twins' press box, where he served as one of the team's three official scorers.

Rochester, Minnesota - When you think of dementia, most people automatically think of Alzheimer's disease, too. But, under a new definition of Alzheimer's, the two terms no longer will be considered interchangeable.

Scottsdale, Arizona - If you have hay fever or allergic asthma symptoms throughout the year, take a few steps to reduce allergens in your home. Here are some room-by-room suggestions.

Washington, DC - Fresh Foods Manufacturing Co., a Freedom, Pa., establishment, is voluntarily recalling approximately 8,757 pounds of ready-to-eat salad products that may be contaminated with E. coli O157:H7, the U.S. Department of Agriculture’s Food Safety and Inspection Service (FSIS) announced today.

Washington, DC - On a mission to detect planets outside of our solar system, NASA’s Transiting Exoplanet Survey Satellite (TESS) is scheduled to launch no earlier than 6:32 p.m. EDT Monday, April 16. Prelaunch mission coverage will begin on NASA Television and the agency’s website Sunday, April 15, with three live briefings.