link See hyperlink. Linux A UNIX®-like, open-source operating system developed primarily by Linus Torvalds. Linux is free and runs on many platforms, including both PCs and Macintoshes. Linux…
The System of Checks and Balances
In 1787 leaders of the states gathered to write the Constitution-a set of principles that told how the new nation would be governed.
The leaders of the states…
Amazons, Vandals, Vikings—what do they have in common? Do you know they were all warriors? Add guerrillas, kamikazes, and conquistadors and you have quite a group. Who were they? When and where did…
U.S. News | Business/Science News Here are the key events in world news for the month of February, 2009. Iceland Swears in First Female Prime Minister (Feb. 1): Johanna…
The Yard Sale Your patriotic duty by Gerry Brown Summer has us all in her sweaty palms. The cliched images of "Summertime in America" surround us: Going to the beach,…
WHAT IS THE EVIDENCE FOR EVOLUTION? HOW DO NEW SPECIES EVOLVE? HOW LONG DOES EVOLUTION TAKE? NATURAL SELECTIONHUMAN EVOLUTIONFIND OUT MORELiving things gradually change over many generations in a…
WHAT IS AN OMNIVORE? WHAT IS FILTER-FEEDING? CARNIVORESHERBIVORESFIND OUT MOREAll animals must eat other organisms to survive. Animals can be divided into two main groups, according to their…
Troubled singer who revitalized the British music scene and paved the way for others dies.
by Jennie Wood Amy Winehouse in June 2007 Photo Credit: Rama…
HOW ELECTRICITY DELIVERS ENERGYNETWORK CONTROL CENTRESOLAR POWERFIND OUT MOREElectricity comes to homes and workplaces through a huge network of power stations and cables. When the supply fails,…
SOAKING UP FOODYEAST-COVERED GRAPESEXPLODING PUFFBALLMOULDSLICHENSFIND OUT MOREFungi grow without sunlight and feed on organic matter. A typical fungus is made of many threads growing on or in…
