Several neighboring islands formed travel bubbles to revive tourism while minimizing health risks.

Families formed support bubbles to help each other through the lockdown.

Airline regulators monitored the flight bubbles before reopening international routes.

Investors should learn from past Internet bubbles before betting heavily on new startups.

At the science fair the children made colorful hubble bubbles that floated above the tables.

Children at the festival chased the glowing hubble-bubbles until dusk.

The researchers observed tiny energy bubbles forming above the reactor during the experiment.

Many analysts warned that information technology bubbles could distort investment priorities and delay sustainable innovation.

Investors who ignored warnings about speculative valuations were surprised when dot-com bubbles burst nearly simultaneously across different markets.

For Sunday breakfast we had bubble and squeak with a fried egg on top.