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  2. Timeline of scientific discoveries - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_scientific...

    The timeline begins at the Bronze Age, as it is difficult to give even estimates for the timing of events prior to this, such as of the discovery of counting, natural numbers and arithmetic. To avoid overlap with timeline of historic inventions , the timeline does not list examples of documentation for manufactured substances and devices unless ...

  3. Carbohydrate - Wikipedia

    en.wikipedia.org/wiki/Carbohydrate

    Lactose is a disaccharide found in animal milk. It consists of a molecule of D-galactose and a molecule of D-glucose bonded by beta-1-4 glycosidic linkage.. A carbohydrate (/ ˌ k ɑːr b oʊ ˈ h aɪ d r eɪ t /) is a biomolecule consisting of carbon (C), hydrogen (H) and oxygen (O) atoms, usually with a hydrogen–oxygen atom ratio of 2:1 (as in water) and thus with the empirical formula C m ...

  4. Timeline of biotechnology - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_biotechnology

    The historical application of biotechnology throughout time is provided below in chronological order.. These discoveries, inventions and modifications are evidence of the application of biotechnology since before the common era and describe notable events in the research, development and regulation of biotechnology.

  5. Timeline of food - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_food

    2.5-1.8 million years ago: The discovery of the use of fire may have created a sense of sharing as a group. Earliest estimate for invention of cooking, by phylogenetic analysis. [3] 250,000 years ago: Hearths appear, accepted archeological estimate for invention of cooking chicken. [4] 170,000 years ago: Cooked starchy roots and tubers in ...

  6. Timeline of biology and organic chemistry - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_biology_and...

    Part of a series on Biology Index Outline Glossary History (timeline) Key components Cell theory Ecosystem Evolution Phylogeny Properties of life Adaptation Energy processing Growth Order Regulation Reproduction Response to environment Domains and Kingdoms of life Archaea Bacteria Eukarya (Animals, Fungi, Plants, Protists) Branches Abiogenesis Aerobiology Agronomy Agrostology Anatomy ...

  7. Timeline of agriculture and food technology - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_agriculture...

    1700 – British Agricultural Revolution ends 1763 – International "Potato Show" in Paris with corn varieties from different states; 1804 – Vincenzo Dandolo writes several treatises of agriculture and sericulture.

  8. Timeline of chemistry - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_chemistry

    An image from John Dalton's A New System of Chemical Philosophy, the first modern explanation of atomic theory.. This timeline of chemistry lists important works, discoveries, ideas, inventions, and experiments that significantly changed humanity's understanding of the modern science known as chemistry, defined as the scientific study of the composition of matter and of its interactions.

  9. History of biochemistry - Wikipedia

    en.wikipedia.org/wiki/History_of_biochemistry

    The subject of study in biochemistry is the chemical processes in living organisms, and its history involves the discovery and understanding of the complex components of life and the elucidation of pathways of biochemical processes.