Ehrlich, Robert

The author evaluates the evidence concerning eight scientific claims concerning placebos, global warming, and homosexuality among other subjects.

Entertaining essays and cartoons explain the sizes of materials in the universe and modern physics.

Questions and answers explore the earth, weather and climate, forces and energy, plants and animals, and other scientific subjects.

Collection of physics demonstrations costing very little to produce accompanied by theoretical background.

Evaluates nine seemingly controversial ideas culled from physics, biology, and social science, and explains why it is important to weigh an argument, judge someone's use of statistics, identify underlying assumptions, and uncover hidden agendas.