New imaging reveals the hidden structure that makes enamel in human teeth so tough, inspiring researchers to use the knowledge to create tougher synthetic materials.

An interview with high school teacher Matt Brady -- author of "The Science of Rick and Morty: The Unofficial Guide to Earth's Stupidest Show" -- on his use of pop culture in the science classroom.

An interview with University of Maryland engineer Ryan Sochol, whose team has developed a technique to do three-dimensional printing at capillary sizes, for better modeling of living systems.

An interview with Geraldine L. Richmond, Presidential Chair in Science and professor of chemistry at the University of Oregon, and the current President of Sigma Xi, the organization that publishes American Scientist magazine.

Coal-ash spills and water quality: an interview with Avner Vengosh, a geochemist at Duke University, on his latest research.

Overuse, population growth, and climate change are turning water into a powerful tool for conflict in many parts of the world.

Modern life is costing us months of our lives.

Live imaging of body-sensing neurons required both new techniques and new technology.

An interview with Jeff Dean, head of artificial intelligence at Google, about the major advances and concerns facing current artificial intelligence research, and how it interfaces with human society.

Young women have a low risk of heart disease, and sex differences in this bodily system could help explain why.