as is the case with the Methuselah Tree, a bristlecone pine more than 46 centuries old. But it's truly baffling to learn under what conditions it has accomplished this extraordinary feat.

Sparse ground cover means the threat of fire is greatly reduced, a danger further lessened by the relative paucity of dead bristlecone needles in a landscape where trees ... pine is but 60 feet ...

It's a delicate art, and, Tony says, back in the 1960s, one scientist's drill broke off inside the bristlecone pine tree he was sampling. The kit is expensive, and to help him recover the lost ...

More information: T. De Mil et al, Bristlecone Pine Maximum Latewood Density as a Superior Proxy for Millennium‐Length Temperature Reconstructions, Geophysical Research Letters (2024). DOI: 10. ...