Topics: microbial growth, food spoilage, Controlling Food Spoilage, bacteria, Actinomycetes, Algae, Protozoa, specimen, specimen collection, specimen handling, Microbial techniques

Topics: Biogeochemical cycling, Ecosystem, habitats, niche, food chain, food web, biomass

Topics: Toxicology, Cell Culture Techniques, cell structure, molecular techniques, molecular cloning, genomic libraries, gene expression, immunochemical techniques, proteomics, metabolomics, bioinformatics, toxicants, air pollutants, water pollutants, soil pollutant, Occupational Toxicants, metals, Agricultural Chemicals, pesticides, Organophosphorus Insecticides, Carbamate Insecticides, Botanical Insecticides, Pyrethroid Insecticides, Herbicides, Fungicides, Rodenticides, Food Additives, food Contaminants, toxins, Microbial Toxins, Mycotoxins, Algal Toxins, Plant Toxins, drug abuse, cell membranes, toxicant processing, Toxicant Distribution, Gastrointestinal Absorption, Dermal Absorption, Respiratory Penetration, Toxicant Distribution, Endoplasmic Reticulum, Microsomes, Monooxygenations, Nonmicrosomal Oxidations, Epoxide Hydration, DDT Dehydrochlorinase, Glucuronide Conjugation, Glucoside Conjugation, Phosphate Conjugation, Reactive Metabolites, Activation Enzymes, Reactive Oxygen Species, Piperonyl Butoxide, toxic action, acute toxicity, Chemical Carcinogenesis, Mutagenesis, DNA damage, mutagenesis, Human cancer, Teratogenesis, Embryonic Development, organ toxicity, Hepatotoxicity, Nephrotoxicity, Neurotoxicity Testing, nervous system, Reproductive System, Hypothalamic-Pituitary-Gonadal Axis, Male Reproductive Physiology, Female Reproductive Physiology, Endocrine Toxicology, endocrine disruption, Respiratory Toxicology, Occupational Lung Diseases, Environmental Lung Diseases, Immune System, Immune Suppression, Immune-Mediated Injury, Hypersensitivity, applied toxicology, toxicity testing, Forensic Toxicology, Clinical Toxicology, Human Health Risk Assessment, environmental toxicology, Environmental Sample Collection Methods, Analytical Techniques, Bioaccumulation, Environmental Risk Assessment, Molecular Toxicology, Biochemical Toxicology

Topics: water cycle, nitrogen cycle, food chain, food web, carbon cycle, energy, thermodynamics, ammonification, biomes, freshwater biome, aquatic biome

Topics: Medical Microbiology, microbial biology, infection, prokaryotic cells, eukaryotic cells, bacterial life cycle, bacterial growth, bacterial physiology, sterilization, disinfection, antimicrobial agents, antibacterial agents, antifungal agents, antiviral agents, Antiparasitic agents, antimicrobial sensitivity tests, bacterial genetics, mutation, gene transfer, plasmids, transposons, integrons, genomic islands, genetic mapping, antibiotic resistance, virus-cell interaction, abortive infections, latency, immunity, antigenic determinants, antigenic specificity, immunoglobulins, antigen recognition, innate immunity, acquired immunity, Lymphocyte trafficking, cellular activation, Humoral immunity, Cell-mediated immunity, immune responses, Immunodeficiency, Hypersensitivity, Autoimmunity, Immunopathology, vaccines, Parasitic infections, Pathogenesis, Pathogenic mechanisms, Immune defence mechanisms, host defenses, Bacterial pathogenicity, Staphylococcus, Skin infections, osteomyelitis, bloodstream infection; food poisoning, foreign body infections, Staphylococcus aureus, Coagulase-negative staphylococci, Streptococcus, enterococcus, Pharyngitis, scarlet fever, skin infections, soft tissue infections, streptococcal toxic shock syndrome, pneumonia, meningitis, urinary tract infections, rheumatic fever, post-streptococcal glomerulonephritis, Coryneform bacteria, listeria, erysipelothrix, Diphtheria, listeriosis, erysipeloid, mycobacterium, tuberculosis, leprosy, Environmental mycobacteria, Opportunist disease, Actinomyces, nocardia, tropheryma, Actinomycosis, nocardiasis, Whipple’s disease, Bacillus, Anthrax, food poisoning, Neisseria, moraxella, Meningitis, septicemia, gonorrhoea, respiratory infections, salmonella, Shigella, Bacillary dysentery, Escherichia, Urinary tract infection, travellers’ diarrhoea, haemorrhagic colitis, haemolytic uraemic syndrome, Klebsiella, enterobacter, proteus, enterobacteria, Pneumonia, urinary tract infection, opportunist infection, Pseudomonads, Vibrio, mobiluncus, gardnerella, spirillum, Cholera, vaginosis, rat bite fever, Haemophilus, Respiratory infections, chancroid, Bordetella, Whooping cough, Legionella, Legionnaires’ disease, Pontiac fever, Brucella, bartonella, streptobacillus: Brucellosis, Oroya fever, trench fever, cat scratch disease, bacillary angiomatosis, Yersinia, pasteurella, francisella, Plague, pseudotuberculosis, mesenteric adenitis, pasteurellosis, tularaemia, Non-sporing anaerobes, Wound infection, periodontal disease, normal flora, Treponema, borrelia, Syphilis, yaws, relapsing fever, Lyme disease, Chlamydia, Genital infections, ocular infections, infertility, atypical pneumonia, Rickettsia, orientia, ehrlichia, anaplasma, coxiella, Typhus, spotted fevers, scrub typhus; ehrlichioses, Q fever, Mycoplasmas, Respiratory tract infections, genital tract infections, Adenoviruses, Respiratory disease, conjunctivitis, gut infections, Poxviruses, immunization

Topics: environment, health, disease, environmental health problems, botany, ecology, ecosystem, food chain, food web, nutrient cycling, nutrient cycle, cancer, bacteria, Insecta, Nematoda, phylum Porifera

Topics: African Civilisation, Africa, stone age, Neolithic age, Neolithic Revolution, Food Production Revolution, Agricultural Revolution, food production, Bantu expansion, Egypt, Sudan, Ethiopia, Swahili Civilisation, Great Zimbabwe, Monomotapa Empire, Monomotapa kingdom, South Africa, West Africa, Nigeria

Topics: Heat Conduction Equation, Steady Heat Conduction, Transient Heat Conduction, Numerical Methods in Heat Conduction, External Forced Convection, Fundamentals of Convection, Internal Forced Convection, Natural Convection, convection, Boiling, Condensation, Heat Exchangers, Thermal Radiation, Radiation Heat Transfer, Cooling of Electronic Equipment, Heating of Buildings, Cooling, of Buildings, Refrigeration of Foods, Freezing of Foods

Topics: Heat Conduction Equation, Steady Heat Conduction, Transient Heat Conduction, Numerical Methods in Heat Conduction, External Forced Convection, Fundamentals of Convection, Internal Forced Convection, Natural Convection, convection, Boiling, Condensation, Heat Exchangers, Thermal Radiation, Radiation Heat Transfer, Cooling of Electronic Equipment, Heating of Buildings, Cooling, of Buildings, Refrigeration of Foods, Freezing of Foods

Topics: Botany, Ecology, ecological concepts, Ecosystem, Autotrophs, Heterotrophs, Phagotrophs, Osmotrophs, Energy Flow, Food Chain, Food Web, Biogeochemical Cycle, Water Cycle, hydrologic cycle, Carbon cycle, Atmospheric Carbon Cycle, Terrestrial biological carbon cycle, Oceanic carbon cycle, Nitrogen cycle, Nitrogen fixation, Nitrogen Assimilation, Ammonification, Nitrification, Denitrification, Marine nitrogen cycle, Oxygen cycle, Phosphorus cycle, Phosphorous, Sulfur cycle, sulfur, Competition, Mutualism, Predation, Parasitism, Commensalism, Ammensalism, niche, succession, biomes