Ferreting out the biological function of dreaming is a frontier in neuroscience.

The scenarios that run through our sleeping brains may help us explore possible solutions to concerns from our waking lives.

The COVID-19 pandemic is still with us. Biomedical innovation has rallied to address that pressing concern while continuing to tackle broader research challenges.

ARCHAEOLOGY The Birth of Prehistoric Chronology: Dating Methods and Dating Systems In Nineteenth Century Scandinavian Archaeology. Bo Graslund. Cambridge University Press November, 150 pp, $39.50. Traces the origin and subsequent development of dating systems, examining how these systems grew and were improved and refined. BIOCHEMISTRY Biochemistry of Metabolism: Volume 11. David D. Davies, ed. Academic Press: November, 388 pp, $85. Discusses the metabolism of plants, emphasizing the b

Once a favorite of Chinese emperors, tofu is now big time. From supermarkets to health food boutiques, diet-conscious Americans are buying soybeans, not just as tofu but in infant formula, soy milk, and soy burgers. Soy even has the Food and Drug Administration's seal of approval. Last October the FDA responded to a petition by Protein Technologies International, a St. Louis-based DuPont company specializing in soy products, by authorizing claims that soy protein is good for the heart. Acc