A clear explanation of how water molecules form a unique crystal structure when frozen, making ice less dense than liquid water and allowing it to float. Messy storm to hit southern Ontario with snow, ...

Pattern formation is the developmental process by which cells acquire different identities, depending on their relative spatial positions within the embryo. Pattern formation ensures that tissues and ...

McClintock’s maize breeding experiments provided the first detailed descriptions of transposable elements. What exactly are these “jumping genes,” and why are they so important? As previously ...