1. For example, biologists have been searching ancient Earth rocks for traces of fossilized ancient microbes resembling those found in the Mars rock. 2. The rock contains hot-dog-shaped objects that may be fossilized Martian microbes. 3. They also took neat photos of microscopic strands that might be fossilized microbes. 4. Those suspicions reached fever pitch a year ago this Thursday, when scientists announced the discovery of possible fossilized microbes in a meteorite that fell to Earth from Mars. 5. Were the objects fossilized microbes? |