Word: spore
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Dates: during 1920-1929
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...University of Arkansas has discovered that the pencillium spore in kisses, powder puffs, and lead pencils breeds germs. So the undergraduate body is now ready to join the arch-angelic class of those who never use kisses or powder puffs or pencils. Thus biology has saved more existences and ruined more lives...
...important things which were unknown was how the mildew spread. I found that the spores of the fungus are produced only at night when the leaves of the plant which they infest are covered with dew. At such times the spores are produced in immense numbers and with a fresh breeze sweeping down from the mountains, they are carried all over the country side, so that they often infest a large extent of land in a single night. One of the interesting things about the production of these spores is that they follow a schedule almost as regular as that...