DNA, often called the blueprint of life, is built from four chemical building blocks known as deoxy-nucleoside triphosphates (dNTPs)—dATP, dTTP, dGTP, and dCTP. Cells constantly need these molecules ...

You walk through a field of wheat, ryegrass, or clover and notice the sway of stems and leaves. What you cannot see is where most of the action happens. Beneath the soil surface, roots spread, compete ...