Studies that tried to track how chain letters propagate by email suffered from selection bias because they included only posts that had been "fossilized" on newsgroup archives.
The Piltdown man is a famous hoax in which pieces of a skull and jawbone found in 1912 were believed to be the fossilized remains of an early form of human being.
Researchers had tried to study the fossilized mite before, but they couldn't see it clearly through the amber.
A piece of fossilized resin from Burma yielded something that looked very similar to Saccharomyces, brewer's or baker's yeast.
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