During the festival, several laughing academies performed improvised comedy that had the audience in tears.

Epidemiologists traced the sudden deaths to laughing sickness after interviewing survivors.

Epidemiologists rushed to contain the laughing death in the remote highlands.

As dawn broke over the eucalyptus grove, laughing kookaburras announced the new day with raucous calls.

During the sitcom marathon, the laugh-tracks began to feel more like a character than a background effect.

The improv troupe's shows were barrels of laughs, drawing crowds every weekend.

The sitcom relied so heavily on laugh tracks that even subtle lines triggered canned laughter.

Her impressions of celebrities are a laugh riot whenever she performs at open-mic night.

The sitcom's producers decided to add a laugh-track to soften the awkward pauses.

The inventor presented a laughing-gear as an alternative form of the usual laughter device.