How Do Plants Know Which Way Is Up And Which Way Is Down?

NPR-June 22, 2012

Seeds routinely send shoots up toward the sky, and roots the other way. Darkness doesn’t confuse them. Somehow, they get it right… because down at its bottom, in cells rooted in the earth, it’s got itty-bitty rocks telling it, “go thattaway.” (read full story here)

If plants can do it with pebbles and rocks-
I wish it would work for down-pointing STOCKS.

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