The survivors of the White Mountains
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The science of tree rings
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Methuselah and the secret ancients
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YOUR GOAL
Master of The oldest trees on Earth
artiteacher The science of tree rings
Lines in the wood, lines in the wood, Ten thousand years of winters withstood!
Old climate records: By matching rings from living and dead bristlecone pines, scientists have built an unbroken climate record going back over 10,000 years.
The scientific study of annual growth rings in trees to determine their age and historical environmental conditions. In 1957, researcher Edmund Schulman utilized this science to date California's ancient Methuselah tree.
How did bristlecone pine tree rings help improve radiocarbon (carbon-14) dating?
What does a very narrow ring in a bristlecone pine's core sample typically indicate?
What substance does a bristlecone pine secrete to quickly heal the small hole left by a scientist's drill?
Which university established the Laboratory of Tree-Ring Research, where early bristlecone studies occurred?
For how many years back have scientists constructed an unbroken climate record using bristlecone pine rings?
Which scientist discovered the extreme age of the bristlecone pines in the 1950s?
What is the scientific name for the study of tree rings to date historical events and environments?
What is the name of the hollow tool used to extract a thin core sample from a tree without cutting it down?