Block · one region of the page, as the scanner read it. It may hold a whole story, part of one, several, or an advertisement; stitching blocks into articles is the next step. Text is supplied OCR.
Page 4 · column 3 of 9 · from the scan, no model involved
stout-hearted man with a rake, this can be an awesome episode: A 60-year-old shade tree alone, somebody has calculated, may bury a lawn under 35,000 leaves.
Thanks to man and his ways, however, some leaves may be confused.
Street lights, acting like daylight, often trick nearby trees into staying green longer than usual. Heat radiating from sunbaked buildings can scorch shade trees unseasonally brown. Last winter’s salt spread to melt snow from streets contaminates the soil and by late summer many leaves may turn brown around the edges.
Time was when the smell of autumn's burning leaves announced the last of summer and the first hint of winter. Now leaf burning is widely outlawed.
Botanists, concerned that air pollution makes leaves fall far too early, possibly threatening trees with stunted growth, are trying to develop a tree that thrives in dirty city air.
But the inventor who has yet to come up with grass that won't grow tall enough to mow, has also failed, so far, to develop a tree that won’t drop its leaves.
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