from the it's-what-plants-crave dept.
lbalbalba writes "In April 1986, a nuclear reactor at the Chernobyl power plant in Ukraine exploded and sent radioactive particles flying through the air, infiltrating the surrounding soil. Despite the colossal disaster, some plants in the area seem to have adapted well, flourishing in the contaminated soil."
We warn the reader in advance that the proof presented here depends on a
clever but highly unmotivated trick.
-- Howard Anton, "Elementary Linear Algebra"