1.   All these shapes posses a hierarchical structure extending to infinitely small scales.

2.   Behaviors that are safe on a small scale can become catastrophic on larger ones.

3.   Biofuels and wind power are regarded as the most promising technologies, along with small scale hydro and tidal power.

4.   Both artists work on a small scale, but there the similarity ends.

5.   But the size of the buildings suggests that uranium enrichment at Dimona is carried out on a relatively small scale.

6.   But what works on a small scale can be a disaster on a large scale.

7.   Chain had overcome the problems which had defeated every previous experimenter with penicillin, but only on a small scale.

8.   However, on the small scales of atoms and molecules, electromagnetic forces dominate.