For the common Logist, Reckenmaster, or Arithmeticien, in hys vsing of Numbers: of an Vnit, imagineth lesse partes: and calleth them Fractions.

Pack a larger-than-normal hypochondria kit that includes sunscreen, plastic bandages and allergy pills. Such things are hard to find or hideously expensive.

But a drive through the preserve with Mr. Alex, an archaeologist, and his wife, Betty, a wildlife biologist, showed a flourishing desert ecoculture of quail, mule deer, mice and the occasional bobcat and tarantula.

It is important to have the proper prescription lenses and durable eyewear to meet sports’ demands on your vision. Most regular eyewear is not meant to be worn during active sports. Your eyeglases are not shatterproof. For instance, when playing racquetball, we suggest you wear one-piece plastic frames (no hinges) and polycarbonate lenses two or three millimeters thick with a headstrap.