A Nobel laureate discusses findings in biological science in the past half century and what they reveal about the nature of life, discussing the origins and workings of cells, the evolution of humans, consciousness, language, and emotions. (Science & Mathematics)

Addressing the questions of unicellular life, extraterrestrial involvement, oxygen's link to complex life, and the superior evolution of bacteria, a biochemist and winner of the Nobel Prize discusses the evolution of life on Earth. National ad/promo.

Examines the cell's outer and inner membranes, organelles, and nucleus, and explains how the ribosomes, nucleic acids, genes, and chromosomes work