Science at the edge

Discusses the cloning process, cloning experiments done with plants and animals, and the advantages and moral issues surrounding cloning. Includes a timeline, glossary, and sources of additional information.

Examines some of the interesting and controversial developments and theories in modern science, focusing on the search for inexpensive, renewable energy sources, with discussion of biopower, and wind, wave, solar, geothermal, and nuclear energy.

Examines the science behind the genetic modification of foods, looking at how it has been used to create crops that are resistant to pests and disease, encourage plant and animal growth, and add vitamins to common foods; and discusses why some people are opposed to the practice of genetically altering food.

Describes the art and science of medicine and surgery in the twenty-first century including life-support systems, keyhole surgery and microsurgery, robot surgeons, and technologies in artificial limbs.

Examines the science of organ transplantation, discusses how the process has been used to save lives, and looks at some of the ethical objections people have to creating organs outside the body and using organs from other animals for transplanting into humans.

Examines some of the interesting and controversial developments and theories in modern science, focusing on the Internet, with discussion of the development of Internet technology, its benefits to medicine, education, business, communication, and popular culture, and issues of Internet security, freedom of information, and crime.

Examines ways in which an individual's identity can be verified, different ways this information can be used, and technological advances in the process, and some issues concerning use of technology to identify people.

Explores the science of cloning plants and animals, discussing the possible benefits of the process, and looking at some of the objections that have been raised to cloning.