Geographer Ruth DeFries explains how technological innovations have allowed humans to overcome environmental challenges throughout history.
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Two skin mites, relatives of spiders, might populate the faces of all adult humans, according to a DNA survey.
To improve semiconductors, superconductors and other materials, physicists view a particle and its surroundings as one entity.
A group of scientists hopes to save a cliff-hugging plant threatened by invasive grasses, drought and fire in California’s Santa Monica Mountains.