Using a molecule that makes creatures glow green, Marc Zimmer shows his students that chemistry can be cool. He also enlists his family pets—mice and fish that can turn a rainbow of colors.
Lola Eniola-Adefeso takes aim at a top killer—heart disease—with microscopic plastic beads. These beads will deliver medicine in a controlled way to blood vessels.
Read about the body's inner clock, why we sleep, arsenic eating algae and more...