Bozeman Science
Bozeman Science: Ap Biology Lab 9 Transpiration
Paul Andersen starts by defining transpiration as evaporation off of a leaf. He then describes how a potometer can be used to measure the rate of transpiration in different environments.
Science Friday Initiative
Science Friday: Building Nanobristle Structures
Researchers studying nanoscale structures have found materials that assemble themselves into spirals, capable of holding tightly to each other or to materials in their center.