Word: sunlight
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...fires will follow the settlers. Moreover, fire begets fire in the Amazon. Dead trees provide the fuel for successive burnings, and cleared areas are often 12?C hotter than the rain-forest floor, which has a leafy canopy that blocks and absorbs as much as 99% of incoming sunlight...
...Trees respond to this stress by shedding leaves, creating openings in the forest canopy and adding tinder to the forest floor. With sunlight streaming through these openings and into clearings created by earlier fires, the stage is set for the incineration of larger trees that survived fires in the previous cycle. When the giants fall, even more fuel is deposited on the forest floor, and more sunlight bakes the land...
...debate prep rooms at the gymnasium were identical, down to the volume of sunlight that shone through the windows. Bush and Gore were not allowed to bring any notes with them--the Commission on Presidential Debates supplied pre-approved pencils and papers for them to sketch ideas...
...stadium built to host beach volleyball - the Games' flesh-baring party sport - has cut their beloved Bondi in half. After attempts to halt construction proved unsuccessful, activists have come up with a plan that calls for 1,000 people, armed with giant mirrors, to disrupt telecasts by flashing sunlight at television crews and into camera lenses. "We want the Olympic movement to reflect on its cultural imperialism," says Bondi councilor Dominic Wykanak. Unfortunately, the combination of an unfavorable weather forecast and the stadium's 16-meter walls looks set to frustrate the saboteurs' ambitious plans...
...childhood ailment rickets, a vitamin-D deficiency that leads to soft bones, poor growth and seizures, is making a surprise comeback. In a study, doctors found 30 cases among black babies whose mothers had breastfed without vitamin supplements. African Americans are vulnerable because dark skin inhibits absorption of sunlight, needed to produce vitamin D. Tip for moms: use supplements--breast milk has less than 25% of the vitamin D babies need...