* Science of Baseball - At UC Berkeley, a team of undergrads is experimenting with velocity, force, and aerodynamics. But you won't find them in a lab - they work on a baseball diamond, throwing fast balls, sliders and curve balls. Quest discovers how the principles of physics can make the difference between a strike and a homerun. * Please Touch the Animals - Zookeepers are using a lighter touch to keep their animals strong and healthy. From massage and acupuncture for giraffes, to pachyderm pedicures, come see how the Oakland Zoo and other zoos are using alternative treatments to guarantee the well-being of their residents. * NanoSolar - Hoping to leave today's silicon solar cells behind, the Palo Alto company NanoSolar is creating paper-thin solar panels harnessing nanotechnology, a product that could revolutionize solar power.