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来自MSN
11 个月
5 Plants That Aren't Actually Blue
Plants that appear blue in nature, like blueberries, are not actually blue, but rich in anthocyanins. Blue plants get their color from anthocyanins, which absorb warm colors and reflect cool ones ...
EurekAlert!
5 天
Curious blue rings in trees and shrubs reveal cold summers of the past — potentially ...
Scientists studying pine trees and juniper shrubs in northern Scandinavia are revealing the weather of the past by looking at ...
3 天
Scientists Decode the Secret of Unusual Blue Rings in Norway’s Trees
Blue growth rings in woody plant stems indicate years when cells failed to lignify properly due to summers that were too cold ...
Greek Reporter
4 天
Strange Blue Rings in Trees Reveal History of Volcanic Eruptions
In Norway, scientists have found blue rings in trees that hint at how volcanic eruptions disrupted growth throughout history.
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