DDT, a once-controversial chemical that works safely against malaria when sprayed inside dwellings.

ECONOMIST: America and malaria

With a mixture of entities, it is much harder to pinpoint exactly how a drug works, as the chemical structure may be extremely complex.

FORBES: Magazine Article

Nicotine works by stimulating the production of a chemical called dopamine.

ECONOMIST: Great drug, shame about the delivery system | The

The new compound works by a hitherto unknown pathway of chemical reactions in the brain cells, particularly those in those parts of the brain which are related to appetite.

BBC: Hope for fat control drug

Nearby, Huntsman works with Shanghai Chloro-Alkali Chemical to turn the crude MDI into a finished prepolymer.

FORBES: Magazine Article

Not least, since technology seldom works flawlessly and there are plenty of other ways of delivering a nuclear, chemical or bug bomb, any future defences have to work in ways that strengthen deterrence and diplomacy the traditional means of dealing with threats to peace not undermine them.

ECONOMIST: Bush��s nuclear umbrella

The databases can--in a single day--test one disease-causing protein against a trillion chemical compounds and rank which ones are most likely to latch onto the protein and gum up its works.

FORBES: Machine Gunner