Q: I have a prickly pear with an increasing number of chalky-white splotches forming on the pads. Is this a fungus? Can it be treated? Should I just get rid of the plant? (It isn’t very big). A: What ...
Centuries before the now-banned red dye No. 3 was synthesized in a lab, humans turned to insects to bring a little scarlet, vermillion or burgundy into their foods, fabrics and artwork. On Jan. 15, ...
THE commercial value of the insects from which cochineal, lac, and Japanese white wax are obtained were briefly referred to, by Dr. L. O. Howard, in the course of a short paper on a useful American ...
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