Food for Thought
Not long ago, food advertising appeared primarily in newspapers, magazines, and television. Today, though, manufacturers are embracing new media to ever more effectively target their youngest consumers: children. A new study conducted for the Henry J. Kaiser Family Foundation analyzes how these companies are feeding their messages to tots.
The number of Web sites hosting pages for...
Science News of Yesteryear
Anthropology & Archaeology
Botany & Zoology
Cell & Molecular Biology
More than 1,800 years ago, the Greek physician Galen came up with a model for how the human body works. Blood, which he called the "natural spirit," originated in the liver and traveled to all parts of the body through the veins. In the left side of the heart, some of the blood mixed with air from the lungs to make "vital spirit," which flowed to all parts of the body through the arteries....
Ten years ago, computer aficionados had the Internet pretty much to themselves. Today, their electronic playground has become a grand, weird, unpredictable social experiment. About half of U.S. households now have Internet access, although only 5 percent were connected in 1995. Europe and many other parts of the world also contain mushrooming numbers of Net users....