(Encyclopedia) TampicoTampicotämpēˈkō [key], city (1990 pop. 272,690), Tamaulipas state, E Mexico, on the Pánuco River, a few miles inland from the Gulf of Mexico. Rivaling Veracruz as Mexico's most…
MAKING A TELEPHONE CALLOPTICAL FIBRESFIND OUT MORETelecommunications began more than 160 years ago, with telegraphs and telephones working through wires. We still use wires – known as landlines…
Earth is not perfectly round; it bulges at the equator and is flatter at the poles. From space the planet looks blue with white swirls, created by water and clouds.Size: Four planets in our solar…
You can't see them, but they're there. Points and lines on a map define not only where you are, but also when you're there. Navigators still rely on these imaginary lines to get where they are…
New planet has a mass 45 times that of Earth by Liz Olson Related Links Roundup of Recent Science Milestones, 2007 New Planets and a Larger Solar System…
WHAT ARE THE GALILEAN MOONS? FIND OUT MOREThe biggest planet, Jupiter, is 11 times wider than Earth. It is made mainly of hydrogen and helium. Its rapid spin makes the clouds in its atmosphere form…
FACTFILE: POLITICAL WORLDFIND OUT MOREThe world today is divided into 193 independent nations, differing from each other in size, shape, population, people, language, government, culture, and…
Jennie Wood 1. Flint Water Crisis 2. Hurricane Katrina 3. BP Oil Spill 4. Exxon Valdez Oil Spill 5. Three Mile Island 6. St. Francis Dam 7. Picher Lead 8.…