Science Frontiers ONLINE No. 74: Mar-Apr 1991

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Archaeology

• A GOLDEN CALENDAR FOR USE AT STONEHENGE?
• DID THE PHARAOHS CHEAT WITH CONCRETE?

Astronomy

• An unexplained event
• Gaia on mars?
• SOLAR ECLIPSE AFFECTS A PENDULUM -- AGAIN!

Biology

• Eel oddities
• Echidna eccentricities
• Searching for monster sharks
• WHEN IDENTICAL TWINS ARE NOT IDENTICAL

Geology

• 'TERMITE BANDS' IN SOUTH AFRICA
• THE MECHANICAL PARADOX IN THRUST FAULTING

Geophysics

• NEWTONIAN GRAVITY MAY HAVE BROKEN DOWN IN GREENLAND
• 50-POUND 'ICE BOMB' FALLS IN WEST VIRGINIA
• EARTHQUAKE LIGHTS OBSERVED IN CANADA

Psychology

• Predictive psi

Maths & Logic

• Pi surprise

Physics

• Repent! the phase change is coming!
• Cold fusion update