My grandparents often tell stories about life in the 40s, when wartime rationing and nightly blackouts shaped everyday life.

He grabbed two 40s and a pack of chips before heading to the park.

We purified the 40S to analyze its association with initiation factors during translation initiation.

Classic cars from the '40s still turn heads at the summer show.

He bought a 40 from the corner store and drank it on the stoop.

She collected numerous top 40s during her career, each one boosting her popularity.

Many people in their 40's find that priorities change as they balance work and family.

The radio station played a countdown of the Top 40 hits last night.

The radio station switched to a top 40 format to attract younger listeners.

When the old bicycle's chain started to squeak, I sprayed WD-40 on it to lubricate the links and protect the nearby electrical connectors from moisture.