Diane Ackerman

The further we distance ourselves from the spell of the present, explored by our senses, the harder it will be to understand and protect nature's precarious balance, let alone the balance of our own human nature.

Cicadas, buckling and unbuckling their stomach muscles, yield the sound of someone sharpening scissors. Fall field crickets, the thermometer hounds, add high-pitched tinkling chirps to the jazz, and their call quickens with warm weather, slows again with cool.

What do cells do when they see a broken piece of DNA? Cells don't like such breaks. They'll do pretty much anything they can to fix things up. If a chromosome is broken, the cells will repair the break using an intact chromosome.