1.   Anaxagoras planned to demand some solid data on the volcanic activity which kept shaking Mount Aetna.

2.   And data on mental hospital closures are important.

3.   Another place for data on companies are newspapers and magazines that rank companies according to various types of financial performance.

4.   Assuming that eventually ail data users handling personal data on computers are registered, what has been achieved?

5.   Data on consultation rates conceal as much as they uncover.

6.   Data on rates of infection among homosexual men is scarce.

7.   Data on the Market value of autos and houses can be highly subjective.