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from article Swamp, marsh, and bog
Young cypress trees growing out of a swamp located in the Florida Everglades. (Credit: Getty Images)
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from article Plant vulnerability to climate change
Subarctic tundra and vegetation of the Denali National Park and Preserve in Alaska. As a result of climate change and the resultant poleward and upward shift of plant ranges, plants and their ecosystems may become particularly vulnerable. (Credit:…
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from article Plant vulnerability to climate change
Blue grama (Bouteloua gracilis) growing in Montana. As a result of warming temperatures, this type of grass could face decreased productivity, allowing forbs to increase and making the ecosystem less tolerant of drought and grazing. (Credit: Matt…
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from article Plant vulnerability to climate change
Modeled distribution of suitable climate space in Europe for stiff sedge (Carex bigelowii), which is an Arctic-Alpine plant: (a) during the period 1961–1990 (green color = suitable climate space during the 1961–1990 period); (b) climate model…
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from article Plant vulnerability to climate change
The endangered western prairie fringed orchid (Platanthera praeclara) is declining across much of its range in North America. (Credit: U.S. Fish and Wildlife Service)
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from article Crosstalk
Crosstalk in a space-division system. Z1, Z2, Z3, and Z4 designate impedances.
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from article Computer-aided circuit design
Four phases in creating a microelectronic chip. (a) Design. (b) Fabrication. (c) Testing. (d) Packaging. (After G. De Micheli, Synthesis and Optimization of Digital Circuits, McGraw-Hill, 1994)
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from article Computer-aided circuit design
Three abstraction levels of a circuit representation. (a) Architectural level. (b) Logic level. (c) Geometrical level. (After G. De Micheli, Synthesis and Optimization of Digital Circuits, McGraw-Hill, 1994)
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from article Computer security
Applications such as power generation, stock trading, airplane navigation, and medical care have become so dependent on computing that loss of availability becomes a serious threat to life or society. Even on a less dramatic level, people have…
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from article Computer security
Smartphone with fingerprint identification. (Credit: Anatoliy Babiy/Getty Images)
