Add to the many afterlives of coffee grounds: Toxic cleanup - 0 views
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The experts selected onion plants to test out this idea, known for their high sensitivity to toxins in the environment. In beakers of water containing bentazone, they grew onion root tissue, called meristems, measuring its cell division and root growth as a sign of health.
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Sean Nash on 15 May 24One of the things I want VERY badly for our program... is a set of equipment for histology... where we can take things like onion root tips and lock samples in wax, slice them incredibly thin (microslices), and then be able to mount them onto slides for analysis.
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