The many reports of the explorations of Mars looking for water seem to be motivated by mere curiosity. Even if water is found on Mars, the lack of a Martian magnetic field would expose any life on Mars to the ravages of radiation from space. The high-velocity sandstorms would also be adverse to any life on Mars. In light of these facts, it seems that the current explorations of Mars lack direction and purpose.

Mark Bach
Gurnee, Ill.

From the Nature Index

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