What Do Geologists Know About the Early Earth?

There's not much data, and there's a lot of doubt and debate. That's what a geologist admits about theories of early earth history.

Bob Ballard Throws Out Textbooks for a Living

An interview with oceanographer Bob Ballard shows him taking glee at proving the scientific consensus wrong.

Science Can Be Wrong for Decades, Centuries

The history of science shows some wrong theories being accepted by leading scholars for long periods of time. Ptolemaic astronomy, unquestioned for over 1200 years, is a prime example. Not all examples are old, though. In modern times as well, scientists are finding that theories unquestioned for decades, even centuries, were wrong. That being so, what confidence can we have that today’s scientific beliefs will stand the test of time for the next decade or century? A recent spate of science articles shows some long-held theories being questioned – others being tossed overboard.
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