About 500,000 children in the United States are battling a life-threatening condition. One nonprofit based in Tucson is ...

Each of us has enough DNA to reach from here to the sun and back, more than 300 times. How is all of that DNA packaged so tightly into chromosomes and squeezed into a tiny nucleus? Long, slender ...

Visit Hot Springs will have 2,000 strings of special commemorative beads to be given out at the First Ever 22nd Annual ...

Under the microscope in its extended form, chromatin looks like beads on a string. The beads are called nucleosomes. Each nucleosome is made of DNA wrapped around eight histone proteins that ...