The results indicate that for the Milky Way and other spiral galaxies, the most dangerous regions are in the galactic centers, whereas the more diffuse spiral arms pose fewer hazards and are therefore more hospitable to life. (sciencemag.org)
Children in the nurse - visited condition had fewer hazards in the home, fewer injuries and ingestions, and fewer behavioral and parental coping problems noted on medical records. (cebc4cw.org)
Most wooded areas have a few hazards: Poison ivy or oak, tricky topography, ticks, mosquitoes and snakes, and of course, the sun. (babycenter.com)