Researchers observed that disruptions in the cell cycle can lead to uncontrolled proliferation and tumor formation.

Our local club organized a cycle polo tournament, and teams from three cities competed fiercely.

Throughout the park, pedal cycles leaned against the fences, their owners picnicking nearby.

Geologists identified distinct Walden cycles in the lakebed layers, suggesting periodic climate variations over millennia.

The chemist described how a Walden cycle converts one enantiomer into its mirror image and back under controlled conditions.

To synchronize the calendar with the seasons, medieval scholars relied on the lunar cycle, a nineteen-year Metonic system that reconciled lunar months and the solar year.

Farmers adjusted their planting schedule according to the lunar cycles.

During the morning rush, cycle tracks near the university become crowded with students on their way to class.

The new cycle track along the river makes commuting by bike much safer and faster.

Researchers compared the cell cycles of healthy and cancerous tissues to identify regulatory differences.