(Phys.org) —Caffeine is the naturally occurring drug most widely used by humans. In nature, though, it is reported to act as a bitter and toxic deterrent to herbivores, preventing leaves and seeds from being eaten.
Plants & Animals
May 13, 2013
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Ants play a variety of important roles in many ecosystems. As frequent visitors to flowers, they can benefit plants in their role as pollinators when they forage on sugar-rich nectar. However, a new study reveals that this ...
Plants & Animals
Apr 24, 2013
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(Phys.org) —Ever wonder how the density of flowers in a patch influences the kinds of insects that visit it? Carla Essenberg, a former graduate student in the Department of Biology at the University of California, Riverside, ...
Plants & Animals
Mar 7, 2013
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A new study shows that although certain bumble bees are at risk, other bee species in the northeastern United States persisted across a 140-year period despite expanding human populations and changing land use. Led by Rutgers ...
Plants & Animals
Mar 4, 2013
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Are plant-pollinator networks holding together as the insects and plants in the network are jostled by climate change and habitat loss?
Plants & Animals
Feb 28, 2013
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(Phys.org)—In Missouri forests, dense thickets of invasive honeysuckle decrease the light available to other plants, hog the attention of pollinators, and offer nutrient-stingy berries to migrating birds. They even release ...
Ecology
Jan 17, 2013
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(Phys.org)—Honey bees are more effective at pollinating almonds when other species of bees are present, says an international research team in ground-breaking research just published in the Proceedings of the Royal Society ...
Plants & Animals
Jan 11, 2013
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Landscapes with large amounts of paved roads and impervious construction have lower numbers of ground-nesting bumblebees, which are important native pollinators, a study from The University of Texas at Austin and the University ...
Plants & Animals
Dec 24, 2012
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A global network of people monitoring bee populations may form an early warning system alerting scientists to dangers threatening the world's food system and economies.
Plants & Animals
Dec 20, 2012
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Researchers from the UK and Australia have uncovered a new element of the honeybee's genetic makeup, which may help to explain why bees are so sensitive to environmental changes.
Plants & Animals
Dec 11, 2012
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