The combinatorics seminar focused on recent techniques to estimate the maximum number of edges in a triangle-free graph.

The cafe offers free-sheets on the counter for customers to take home.

Free divers explored the underwater canyon at dawn, communicating with hand signals to avoid disturbing the fragile coral.

The folk band featured several free reeds, which added a warm, breathy color to their sound.

Many set theorists study free ultrafilters to understand behavior of limits on the natural numbers.

Several coastal free zones have transformed the local economy by attracting manufacturing and logistics companies.

Community forums sometimes devolve into free-for-alls when controversial topics are posted.

The mason sorted the free-stones by size before starting the restoration.

In the experimental tank, we observed several free convections forming near the heated walls.

The scientist measured the amount of free waters in the soil sample before drying it.