15-million-year-old pine cones still have the moves
Three ancient pine cones were found almost completely intact in coal mines.
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Ancient 420-million-year-old fossil hints of bony fish and cartilaginous fish common ancestor
Based on fossil evidence and genome analysis, scientists know that the two groups diverged from a common ancestor around 420 ...
Astronaut Chris Hadfield answers a few questions
Chris Hadfield is a (now retired) Candian astronaut - the first Canadian to walk into outer space; on 19 December ...