Recently, climate change, including global warming, has been a "hot" news item as many regions of the world have experienced increasingly intense weather patterns, such as powerful hurricanes and extended floods or droughts. ...
Environment
Jul 26, 2013
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For hundreds of years, plant taxonomists have worked to understand how species are related. Until relatively recently, their only reliable source of information about these relationships was the plants' morphology—traits ...
Plants & Animals
Mar 4, 2013
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Gravity affects the ecology and evolution of every living organism. In plants, the general response to gravity is well known: their roots respond positively, growing down, into the soil, and their stems respond negatively, ...
Biotechnology
Feb 4, 2013
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Elementary school students often learn that plants grow toward the light. This seems straightforward, but in reality, the genes and pathways that allow plants to grow and move in response to their environment are not fully ...
Other
Jan 2, 2013
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For centuries, humans have been exploring, researching, and, in some cases, discovering how to stave off life-threatening diseases, increase life spans, and obtain immortality. Biologists, doctors, spiritual gurus, and even ...
Cell & Microbiology
Dec 19, 2012
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As large organisms, trees face some remarkable challenges, particularly regarding long-distance transport and communication. In addition to moving water and nutrients from their roots to their leaves, they must also integrate ...
Cell & Microbiology
Dec 7, 2012
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A research team consisting of a University of Arizona graduate student, about 40 middle school students and a UA research lab has undertaken the first systematic study looking at how much plant leaves shrink when they dry ...
Plants & Animals
Nov 20, 2012
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Genomes are catalogs of hereditary information that determine whether an organism becomes a plant, animal, fungus or microbe, and whether the organism is adapted to its surroundings. Determining the sequence of DNA within ...
Biotechnology
Feb 27, 2012
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Bees, bats, and moths all follow their noses in search of food from flowers. Plants that rely on such animals for pollination often produce particular chemical scents that attract specific pollinators. However, the ability ...
Plants & Animals
Oct 26, 2011
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Most of what we have come to think of as our daily fruits, vegetables, and grains were domesticated from wild ancestors. Over hundreds and thousands of years, humans have selected and bred plants for traits that benefit us ...
Biotechnology
Sep 27, 2011
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