The second sample is a piece of dolomite (a rock made of calcium magnesium carbonate).

ECONOMIST: Meteorites

Still worse, it shed considerable viewership from the first half-hour to the second, an indication that those who did sample the series actively decided to tune out.

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Then the bureau wants to conduct a second sample of 750, 000 households drawn from all ethnic groups and locations.

ECONOMIST: Statistics

So, the command was given to drill a second hole that was deep enough to push some cuttings into the tool's sample acquisition chamber.

BBC: Curiosity Mars rover takes historic drill sample

In Texas, if you get a second offense DWI you have to install and maintain a deep lung air device on the car that requires a breath sample before it will allow you to start your car.

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