The cost of installing a central air conditioning system varies widely depending on your home’s size, the type and efficiency of the unit, and whether ductwork is already in place. Some or all of the ...

The mitotic spindle of the budding yeast Saccharomyces cerevisiae will probably be the first such organelle to be understood in molecular detail. Here we describe the mitotic spindle cycle of budding ...

Dan is so excited to be back home in the desert. He moved to Southern Arizona in the 5 th grade and graduated from Willcox High School. Dan attended the University of Arizona for a year and is still a ...