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<p><strong>Using optogenetics, Würzburg researchers have detected a new acid sensor in plant cells that is addressing a cell-internal calcium store, as they report in the journal "Science".</strong></p> <p> </p>
The signals spread radially outward with no clear preferred direction.
Under certain circumstances, a rare tropical plant develops into a carnivore. A research team has now deciphered the mechanism responsible for this.
The trick to understanding evolution is less about finding good answer to questions, but rather, finding good questions to answer. Read that sentence twice, because it is very important. Years ago, Niko Tinbergen developed a method of formulating questions about biology. I'm pretty sure the Tinbergenian method has not been integrated into most science standards and teaching curriculum. It should be. There are four types of questions one could formulate about a biological system, trait, or observation.
Discovery that plants have a backup plan to move sap even without the presence of sugar -- once thought impossible -- is the result of a decade-long study published in the Feb. 21 issue of Nature Plants.