Science & Technology
A comprehensive reference source on the theory, techniques, and applications of the various forensic sciences. Learn More
Presents a broad range of scientific disciplines through extensive definitions, essays, diagrams, biographies, and experiments.
UXL Encyclopedia of Biomes
Offers detailed comparative essays on major biomes and their component ecosystems. Includes entries on land biomes and water biomes and covers climate, elevation, soil, water bodies, vegetation, animal life, food web, plant and animal adaptations, endangered species, human effects on the biome and the effects of the environment on humans' culture and economy. Learn More