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Scientific Discoveries of the Ancient World

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Mendel experimented on pea plants, learned process of inherited traits ... Resveratrol, found in grape seeds, is promising anti-cancer agent. Theories on sperm ... – PowerPoint PPT presentation

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Title: Scientific Discoveries of the Ancient World


1
Scientific Discoveries of the Ancient World
  • And its Relevance to Today
  • by Dan Kane

2
Ancient Cross Pollination
  • Originated around 5000 BC
  • Assyrians cross pollinate date palm
  • Look for desired traits

3
Modern Genetics
  • Mendel experimented on pea plants, learned
    process of inherited traits
  • Genetically Modified crops allow genes from one
    species to be added to another for desired traits

4
Bronze and Iron Age
  • 3000 BC and 1000 BC respectively
  • melt down metals to form superior weapons
  • use of crucibles and furnaces

5
Modern Metal Work
  • Similar process in use today
  • Titanium Age of lighter, stronger metal

6
Ancient Medicines
  • Greeks use garlic to enhance performance in first
    Olympic games
  • Grape leaves used to treat heart disease

7
Modern use for Ancient Remedies
  • Active ingredients in garlic inhibit growth of
    prostate and breast cancer cells
  • Resveratrol, found in grape seeds, is promising
    anti-cancer agent

8
Theories on sperm
  • Aristotle proposes semen formed from blood that
    contained vital heat to reproduce the same
    form
  • It cooked and shaped menstrual blood giving rise
    to offspring
  • 17th century - Homunculus

9
Theories on sperm
  • Idea of spontaneous generation of living
    organisms
  • Cell theory
  • Modern notion of fertilization understood

10
References
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