Biology's drive toward engineering

Biology is on the verge of getting its versions of the lever, wheel and axle, pulley and other basic machines that enable engineers to build almost any mechanical device, a new analysis has concluded. The viewpoint article ...

Study of flower color shows evolution in action

Scientists at UC Santa Barbara have zeroed in on the genes responsible for changing flower color, an area of research that began with Gregor Mendel's studies of the garden pea in the 1850's.