Europe saw warmest summer on record in 2021

Scientists say last summer was the hottest summer on record in Europe, with temperatures a full 1 degree Celsius (1.8 degrees Fahrenheit) higher than the average for the previous three decades.

Video: What actually is octane?

When most of us go to the gas station, we choose regular or premium gas without thinking too much about it.

Return of the LIDAR

In a peninsula far, far away, a laser shoots into the sky to study the Antarctic atmosphere at Concordia research station.

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