Scientists study how species diversify to fill new adaptive zones after a mass extinction.

Campus safety signs now mark several no-lone zones to discourage students from walking alone at night.

During the long bike race, organizers set up feed zones every 30 kilometers to help riders replenish energy.

People often stay within their comfort zones even when growth requires taking risks.

Pilots must remain aware of the no-fly zones when planning their cross-country routes.

The engineer inspected the aeration zones to ensure proper oxygen transfer throughout the treatment plant.

City planners designated several exchange zones near the transit hubs to simplify package pickups.

Many migratory birds depend on the seasonal resources of temperate zones during their long journeys.

The council established buffer zones around the wetland to protect wildlife.

During the storm, the captain warned the crew to avoid the coastal danger zones marked on the map.