Microfluidics Go Nonlinear -- Sound Forms Virtual Test Tubes -- Biochip Moves Liquids with Heat -- Nanoscale Rubber Hoses Debut -- Lasers Drive Tiny Toolset -- Lasers Tweeze Every Which Way -- Plastic Coating Makes Chips Biofriendly -- Tiny Hole Guides Atoms against Tide -- Plastic Process Produces Puny Pores -- DNA Sensor Changes Color -- Tiny Drug Capsules Shine -- Glowing Beads Make Tiny Bar Codes -- Study Shows DNA Will Fill Tubes -- DNA Motor Keeps Cranking -- RNA Forms Nanomotor -- Protein Traps Nanoparticles -- Altered Protein Orders Metal Bits.