Calcium markers could aid climate studies in the tropics.
As every child knows, you can tell how old a tree is simply by counting its rings, which reflect the changing seasons. Now researchers have worked out a simple way to do the same for trees from the tropics, where there are no summers and winters to mark the passage of time.
Read the story here.
Calcium markers could aid climate studies in the tropics.
As every child knows, you can tell how old a tree is simply by counting its rings, which reflect the changing seasons. Now researchers have worked out a simple way to do the same for trees from the tropics, where there are no summers and winters to mark the passage of time.
Read the story here.
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