In A Nutshell Penn State scientists captured the first direct evidence of trees producing faint electrical glows, called coronae, during live thunderstorms. The discharges hop erratically from leaf to ...
Have you ever noticed that when you cut down a tree — or a tree dies suddenly — the dead leaves stay on the tree for a long time? The leaves go from green to brown, but stay on the dead tree branches.
News organizations may use or redistribute this image, with proper attribution, as part of news coverage of this paper only. Relationships between tree diversity and species richness of herbivores (a) ...
The autumnal equinox, which marks the transition between summer and fall, has passed. So, it makes sense to see tree leaves turning glorious fall colors. A lesser-known secret about trees is that a ...
The basics of photosynthesis are something that every student learns in school: carbon dioxide, water and light in; oxygen and sugar for growth out. In a world where atmospheric carbon dioxide levels ...
Warning: This graphic requires JavaScript. Please enable JavaScript for the best experience. Not all trees drop their leaves in the fall. Even in the height of winter ...
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