<blockquote>Radiation, the last breath of unstable atoms, spilled no blood as it passed through flesh and bone, but it was murder on DNA. For humans, DNA damage spelled nausea, headache, cancer, death. Lynn’s genetically engineered diatoms, too small to have organs that would fail, simply died. They fell to the bottoms of their flasks in browning drifts, too toxic to decompose.</blockquote>