Many anthropologists argue that persistence hunting played a crucial role in early human survival, allowing people to exhaust prey through sustained running and tracking.

In our study of the random walk, the origin was identified as a null persistent state, meaning that returns occur infinitely often but the expected return time is infinite.

During the expedition, the persistence hunter led the team across the arid plains until dusk.

Persistence hunters often outlast their prey by tracking it relentlessly through the heat of the day.

The surgeon explained that the infant's persistent cloaca would require staged reconstructive surgery.

We hoped the picnic would go ahead, but by noon the sky began to persist down so fiercely that everyone ran for cover.

We joked that the weather would persist it down, and sure enough the drizzle turned into a soaking in minutes.

To prove ergodicity, we first show that the state is non-null persistent under the given transition probabilities.

After the accident, doctors declared him to be in a persistive vegetative state, and the family faced difficult decisions about his care.

The infant was diagnosed with persistent truncus arteriosus and was immediately scheduled for corrective surgery.