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  2. Human interactions with microbes - Wikipedia

    en.wikipedia.org/wiki/Human_interactions_with...

    Human interactions with microbes include both practical and symbolic uses of microbes, and negative interactions in the form of human, domestic animal, and crop diseases. Practical use of microbes began in ancient times with fermentation in food processing ; bread , beer and wine have been produced by yeasts from the dawn of civilisation, such ...

  3. Centrifuge - Wikipedia

    en.wikipedia.org/wiki/Centrifuge

    Human centrifuges are exceptionally large centrifuges that test the reactions and tolerance of pilots and astronauts to acceleration above those experienced in the Earth's gravity. The first centrifuges used for human research were used by Erasmus Darwin, the grandfather of Charles Darwin. The first large-scale human centrifuge designed for ...

  4. Biomagnification - Wikipedia

    en.wikipedia.org/wiki/Biomagnification

    Biomagnification is a process causing the concentration of a substance (crosses) to increase at higher levels of the food chain. In this scenario, a pond has been contaminated with toxic waste. Further up the food chain, the concentration of the contaminant increases, sometimes resulting in the top consumer dying.

  5. Laboratory centrifuge - Wikipedia

    en.wikipedia.org/wiki/Laboratory_centrifuge

    Rotor failure, caused by mechanical stress from the high forces imparted by the motor, can occur due to manufacturing defects, routine wear and tear, or improper use and maintenance. Such a failure can be catastrophic failure, especially with larger centrifuges, and generally results in total destruction of the centrifuge. While centrifuges ...

  6. Centrifugation - Wikipedia

    en.wikipedia.org/wiki/Centrifugation

    In the chemical and food industries, special centrifuges can process a continuous stream of particle turning into separated liquid like plasma. Centrifugation is also the most common method used for uranium enrichment , relying on the slight mass difference between atoms of U-238 and U-235 in uranium hexafluoride gas.

  7. Humans Might Not Survive the Fourth Industrial Revolution ...

    www.aol.com/lifestyle/humans-might-not-survive...

    World Economic Forum chairman Klaus Schwab warns about humans losing control of the world during the fourth industrial revolution.. During a World Government Summit talk, Schwab says the world ...

  8. Hypergravity - Wikipedia

    en.wikipedia.org/wiki/Hypergravity

    The rate of aging of 17-month-old rats that had been exposed to 3.14 g in an animal centrifuge for 8 months was larger than of controls as shown by apparently elevated lipofuscin content in heart and kidney, reduced numbers and increased size of mitochondria of heart tissue, and inferior liver mitochondria respiration (reduced 'efficiency': 20% ...

  9. Physical factors affecting microbial life - Wikipedia

    en.wikipedia.org/wiki/Physical_factors_affecting...

    Syrup, honey, brine, alcohol and concentrated sugar or salt solutions display an antibacterial action due to osmotic pressure. Syrup and honey have a long history of being used as a topical treatment for superficial and deep wounds. [14] [15] Wood smoke compounds act as food preservatives.