A few times a year you might see a familiar red cross posted in your office building. The employee lounge or cafeteria is turned into a makeshift donation center for a day, people are encouraged to give blood. In the last year, with various weather-related disasters contributing to damages and injuries, blood donations are need more than ever before. Whether you are the "universal donor" with O-Negative blood flowing through your veins or you have a less common type, you should consider going to your local donation center and giving a pint.