★ 6.2
★ 0.0
★ 7.1
★ 6.8
★ 8.0
★ 6.0
★ 5.9
★ 7.2
★ 7.6
★ 7.4
What's New in the World of Today and Tomorrow!
Considers marvels of modern science: Fingerprints, cosmetics, radio, microbiological research, airplanes.
