There is magic in numbers. Long ago, some of the earliest human civilizations discovered the strange and fasinating quality of some numbers and incorporated them into their superstitions and religions.
Looks at the topics of computer and network security through the story of a young professional whose computer is hacked. Includes information on how to keep computers safe, detect and report an attack, and restore an infected computer.
Photographs, illustrations, and text describe how and where earthquakes happen, the destruction they cause, and how scientists have worked together to predict when quakes will occur.
Photographs, illustrations, and text describe how and where hurricanes happen, the destruction they cause, and how scientists have worked together to predict when they will occur.
Presents a discussion of forensic techniques and developments in relation to kidnappings, covering various cases involving victims such as Marilyn Miller, Charles Lindbergh, Jr., and Shari Smith.
Helps early learners to understand basic computer skills through exercises and hands-on activities, and teaches how to create a sequence of instructions that make things happen.
