Apple -- The apple is a tree and its pomaceous fruit, of species Malus domestica in the rose family Rosaceae, is one of the most widely cultivated tree fruits. It is a small deciduous tree reaching 5-12 m ... > full article

Brain -- In animals, the brain, or encephalon, acts as the control center of the central nervous system. In most animals, the brain is located in the head close to the primary sensory apparatus and the mouth. ... > full article

Motor neuron -- In vertebrates, motor neurons (also called motoneurons) are efferent neurons that originate in the spinal cord and synapse with muscle fibers to facilitate muscle contraction and with muscle spindles ... > full article

Sensory neuron -- Sensory neurons are nerve cells within the nervous system responsible for converting external stimuli from the organism's environment into internal electrical impulses. For example, some sensory ... > full article

Heart -- The heart is a hollow, muscular organ in vertebrates that pumps blood through the blood vessels by repeated, rhythmic contractions, or a similar structure in annelids, mollusks, and arthropods. The ... > full article

Lung -- The lung is the essential organ of respiration in air-breathing vertebrates. Its principal function is to transport oxygen from the atmosphere into the bloodstream, and to excrete carbon dioxide from ... > full article

Immune system -- The immune system is the system of specialized cells and organs that protect an organism from outside biological influences. (Though in a broad sense, almost every organ has a protective function - ... > full article

Enzyme -- An enzyme is a protein that catalyzes, or speeds up, a chemical reaction. Certain RNAs also have catalytic activity, but to differentiate them from protein enzymes, they are referred to as RNA ... > full article

Pathogen -- A pathogen or infectious agent is a biological agent that causes disease or illness to its ... > full article

Vaccination -- Vaccination is the process of administering live, albeit weakened, microbes to patients, with the intent of conferring immunity against a targeted form of a related disease ... > full article

Biochemistry & Molecular Biology of Plants
Biochemistry Molecular Biology of Plants is a major contribution to the plant sciences literature, superbly edited by three distinguished scientists, Bob B. Buchanan, Wilhelm Gruissem, and Russell ... > read more

Biological Science (2nd Edition)
Infused with the spirit of inquiry, Freeman's Biological Science helps teach readers the fundamentals while introducing them to the excitement that drives the science. By presenting unifying concepts ... > read more

Short Protocols in Molecular Biology (Short Protocols in Molecular Biology)
Recently expanded to 2 volumes, Short Protocols in Molecular Biology, Fifth Edition, provides condensed descriptions of more than 700 methods compiled from Current Protocols in Molecular Biology. ... > read more

The Biology Of Belief: Unleashing The Power Of Consciousness, Matter And Miracles
The Biology of Belief is a groundbreaking work in the field of New Biology. Author Dr. Bruce Lipton is a former medical school professor and research scientist. His experiments, and those of other ... > read more

Cell and Molecular Biology : Concepts and Experiments
Now fully updated and revised, the new Fourth Edition of Cell and Molecular Biology not only offers you and your students all of the latest research, it also gives students the tools they need to ... > read more

Biology : The Unity and Diversity of Life (with CD-ROM and InfoTrac)
Cecie Starr and Ralph Taggart are among the most successful authors in introductory, biological science instruction because of their lively approach, engaging writing style, current coverage of the ... > read more

Animals in Translation : Using the Mysteries of Autism to Decode Animal Behavior
I don't know if people will ever be able to talk to animals the way Doctor Doolittle could, or whether animals will be able to talk back. Maybe science will have something to say about that. But I do ... > read more

Biology, Sixth Edition
The Sixth Edition of BIOLOGY by Neil Campbell and Jane Reece builds upon the earlier versions' dual goals to both help readers develop a conceptual appreciation of life within the context of ... > read more

Fundamentals of Entomology, Sixth Edition
Insects are one of the most remarkable animal groups on the earth, and they merit study for at least two major reasons. First, insects have unsurpassed diversity and niches; because of this ... > read more

The Porphyrin Handbook (10-Volume Set)
Scientists in such fields as mathematics, physics, chemistry, biochemistry, biology, and medicine are currently involved in investigations of porphyrins and their numerous analogues and derivatives. ... > read more