Nanoparticle synthesis is an important area of nanotechnology and has been performed by undergraduate students from various universities across the globe. Due to the availability of massive data on the synthesis of a wide variety of metallic nanoparticles, including silver, gold, selenium, zinc, copper, iron, palladium, platinum, titanium, etc.,…

A simple bioassay was designed for the detection of adenosine, a human metabolite involved in several physiological processes, on the basis of the functionalization of gold nanoparticles with DNA oligonucleotides selectively binding adenosine. The test was possible thanks to the selective and sensitive binding of adenosine by two DNA…

The Zimbabwe Secondary School Science Project (ZIM-SCI) developed student study guides, corresponding teaching guides, and science kits for a low-cost science course which could be taught during the third year of secondary school without the aid of qualified teachers and conventional laboratories. This ZIM-SCI study guide is a five-part unit…

This resource book includes 163 science activities for both preservice and in-service teachers. Activities have been field-tested and are cross-referenced according to the processes of science and the content area covered. Each activity has been written to evoke ideas from the reader, thus enabling each activity to serve a base for additional…

Described is a survey of firms which hire biologists. Summarized are required knowledge, skills, qualifications, and attributes required of candidates; types of jobs being filled; and methods of finding qualified candidates. Careers in biotechnology areas are highlighted. (CW)

Technological advances during the past few decades have revolutionized many complex systems that influence human activity. As the rate of technological progress accelerates, these systems will become more complex, and new ones will evolve. Citizens in a technological society need to be able to make intelligent choices about how technology will…

Originally designed for gifted students, these reproducible units on science fiction emphasize the use of higher order thinking skills and are appropriate for use in any classroom. Interdisciplinary in content, the units provide a broad view of science fiction. Included are two complete units, one created for the upper elementary gifted student…

This module, for high school teachers, is the second of two modules about the Human Genome Project (HGP) produced by the Biological Sciences Curriculum Study (BSCS). The first section of this module provides background information for teachers about the structure and objectives of the HGP, aspects of the science and technology that underlie the…

A history of geology and geography and a brief discussion of many processes which change the face of the earth are detailed in this booklet. The discussion considers time, space, and spirit. Time refers to a sense of history; space refers to geography; and spirit refers to life and thought. Several chapters related to the concepts of geology and…

Nearly every culture has made important discoveries about the universe. Most cultures have searched for a better understanding of the cosmos and how the earth and human life relate. The discussion in this booklet considers time, space, and spirit. Time refers to a sense of history; space refers to geography; and spirit refers to life and thought.…

This booklet on ecosystems considers time, space, and spirit. Time refers to a sense of history; space refers to geography; and spirit refers to lfe and thought. Several chapters on the history and concepts of ecology, a time line related to the concepts, a map of the important geography related to these concepts, a glossary of important terms,…

It has only been since the late nineteenth century that people have understood the mechanics of heredity and the discoveries of genes and DNA are even more recent. This booklet considers three aspects of genetics; time, space, and spirit. Time refers to a sense of history; space refers to geography; and spirit refers to life and thought. Several…

Human and electronic sensors that can indicate the presence of light, sound, temperature, pressure, and movement are discussed. Activities that investigate the human senses are described. Directions for making an electronic touch sensor are provided. (KR)

Discoveries, background information, and facts concerning atomic structures and atomic energy are detailed in this booklet. The discussion considers time, space, and spirit. Time refers to a sense of history; space refers to geography; and spirit refers to life and thought. Several chapters regarding the concept of the atom, a time line of the…

The idea of flight and space travel are not new, but the technologies which make them possible are very recent. This booklet considers time, space, and spirit related to living in space. Time refers to a sense of history; space refers to geography; and spirit refers to life and thought. Several chapters on the history and concepts of flight and…