Science Frontiers ONLINE No. 73: Jan-Feb 1991

Other pages Home Page Science Frontiers Online All Issues Last Issue Next Issue Sourcebook Project Sourcebook Subjects

Archaeology

• America b.c. and even earlier

Astronomy

• NEW KINDS OF MATTER TURNS UP IN COSMIC RAYS
• Saturn's latest burp
• Venus too pristine

Biology

• KILLER TREES THAT TALK AMONG THEMSELVES
• SPONTANEOUS HUMAN COMBUSTION AND BALL LIGHTNING?
• Things that ain't so
• Science and bubblegum cards

Geology

• Asteroid impact or volcanos?

Geophysics

• Piney pitstop of the paranormal
• Crop circle corner
• Booms along the beach
• An amusing assemblage of anomalies
• Malodorous mystery

Physics

• Win $2000: challenge einstein

General

• FIVE REASONS WHY UFOs ARE NOT EXTRATERRESTRIAL MACHINES