The earliest scientists first observed the waves that earthquakes produce before they could accurately describe the nature of earthquakes or their fundamental causes, as discussed in Lessons 1–5.

Insights into how mixing layers scatter sound waves could further understanding of acoustic sources in open-jet wind tunnel ...

Purdue doctoral student Nicolás Guarín-Zapata holds a "dactyl club," the mantis shrimp uses to pummel the shells of hapless prey. New findings about the structure's natural design could lead to super ...