Science Frontiers ONLINE No. 90: Nov-Dec 1993

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Archaeology

• Missing: 500,000 tons of copper
• Ancient romans in texas?

Astronomy

• A NEW CLASS OF SOLAR SYSTEM OBJECTS
• Einstein questioned
• Alien meteors

Biology

• The shorter, the stranger
• A TALE OF TWO NOSES
• Smouldering corpse not shc
• Depths of ignorance

Geology

• The ktb hole

Geophysics

• Mystery light flashes above storms
• A PIECE 'A HEAVEN!
• Band of turbulence
• Can thunderstorms stall cars?
• Dune circles of sossusvlei

General

• Is nothing certain anymore?

Physics

• Lines of maser spots