Contains a set of questions (plus possible, but certainly not uniquely satisfactory, answers) requiring no more than a concurrent first-year, college level course, a data handbook, and a willingness to apply fundamental chemical ideas to the systems which surround us. (Author/TS)

Presents four questions (and provides answers) related to biology and chemistry. Items are concerned with genes, sodium transport, osmosis, and early earth history. (RH)

Presents five questions with answers regarding chemistry and living systems and ecology. (RH)

Presents questions and answers pertaining to yeast fermentation, oxygen content of the air, nutritional requirements of hot water bacteria, the hydrolysis of acetyl coenzyme A, and the stratified distribution of life in the Black Sea. (MLH)

Questions and answers to biochemistry four topics are presented. Items include fatty acid synthesis, reaggregation of sponge cells, enzymic degradation of pollutants, and energy requirements of organisms. (RWH)

Three questions and answers involving chemistry are presented. Question one involves elimination of reptiles from the earth; the second considers chemical effects on taste acuity; the third relates to muzzle velocity of a projectile fired from a gun and temperatures inside the cartridge. (MLH)

Presents questions and answers about various chemical topics such as the supply of fossil fuels, mercury contamination of water, and lead and nitrous oxides emissions from gasoline. (MLH)

Presents questions and answers concerning chemical aspects of air pollutants and the metabolism of drugs and poisons. (MLH)

Several questions (and answers) regarding the effect of environmental variables on organisms are presented. (RH)

Presents short questions and answers on biochemical topics, such as respiration, enzymatic reactions, symbiotic relationships, and oxygen consumption of sea animals. (MLH)