No. 68: Mar-Apr 1990
Science Frontiers Online
Michigan's prehistoric garden beds
Now it's greece!
Wanted: a bona fide black hole
Quiet sun: violent earth
Ants like amps
Two-faced indians trick tigers
Recent survival of the elephant in the americas
Game of life favors right-handers
New life for martian life
Magnetic bacteria in the soil and who knows where else?
Periodical invasions of aliens
Impact delivery of early oceans
The english hums: radar or buried pipelines?
Double image of cresent moon
Crop circle craze continues
Dreams that do what they're told
Science waits for - almost begs for - refutation
Conformity strikes again