1.   Access to the rare books is restricted, and researchers must check their coats and book bags and briefcases.

2.   But researchers checked their answers against a wearable computerized device to record their movements.

3.   He suggests that researchers check for plutonium particles in tuna in the Mediterranean, the Bay of Biscay and Norwegian waters.

4.   Other researchers are checking whether plant roots or soil microbes linked to them use the extra carbon to become better foragers for other nutrients.

5.   Researchers must check their coats and bags, and may only bring in pencils and paper.

6.   The helium allowed the researchers to check the gas flows through the robot without producing thrust.

7.   The researchers checked their findings against a second group of Mexican-Americans from the county.

8.   The researchers checked their results by sequencing the same markers from the blood of Vietnamese domestic cattle and found a perfect match.

9.   This allowed the researchers to check that the cells release their payload exclusively in organs exposed to the ultrasound.

10.   Wherever possible, he said, researchers checked facts and at times Showtime insisted on the inclusion of unflattering material that the Bonannos might have preferred to skip over.