1.   Into scrapie-affected cells they introduced tiny gold particles tethered to a protein that sticks to working ubiquitin.

2.   Mixed in with the global iridium-bearing clay layer are tiny particles of heavily shocked quartz.

3.   They feed by collecting tiny particles from the water.

4.   When you cough or sneeze, you propel some tiny particles into the air.

5.   With the tunnel open, you notice thousands of tiny particles surging through the breach.

6.   It is also better to beat the icing in a china, glass or metal bowl rather than plastic which can leave tiny particles in the mixture.

7.   The scattering centres are tiny particles of dust, small enough that they are always moving effectively with the instantaneous fluid velocity.

8.   A US study has concluded that tiny airborne particles from car exhausts may cause disease and death even at levels that meet air pollution standards.

9.   They are clouds of gas or tiny particles, or lumps of uniform matter like crystals, with almost endlessly repeated atomic patterns.

10.   The rare smoothbore Winchester rifle fired tiny particles of shot rather than a single bullet.