Pelting weeds with particles instead of spraying them with herbicides
It takes real grit to control tenacious weeds. Although determination is an important attribute in farmers, U.S. Department of Agriculture (USDA) agronomist Frank Forcella is counting on grit of another kind in his approach ...
Mass sea star deaths off US west coast puzzle scientists
Starfish have been mysteriously dying by the millions in recent months along the US west coast, worrying biologists who say the sea creatures are key to the marine ecosystem.
Farm salmon pose clear reproductive threat to wild gene pools
Farmed salmon show full reproductive potential to invade wild gene pools and should be sterilised - according to new research from the University of East Anglia (UEA).
Study provides insights into birds' migration routes
By tracking hybrids between songbird species, investigators have found that migration routes are under genetic control and could be preventing interbreeding. The research, which is published in Ecology Le ...
Harvesting of small fish species should be cut: study
Water samples teeming with information: Emerging techniques for environmental monitoring
Environmental policy must respond to ever-changing conditions on the ground and in the water, but doing so requires a constant flow of information about the living world.
Key species of algae shows effects of climate change over time
A study of marine life in the temperate coastal waters of the northeast Pacific Ocean shows a reversal of competitive dominance among species of algae, suggesting that increased ocean acidification caused by global climate ...
Mammals metabolize some pesticides to limit their biomagnification
The concentrations of many historically used, and now widely banned, pesticides and other toxic chemicals—called legacy contaminants—can become magnified in an animal that eats contaminated food; however, ...
Video from polar bear's neck cam shows life on ice
The first video of life on Arctic sea ice from a polar bear point of view has been released by the U.S. Geological Survey.
Malaria parasite manipulates host's scent
Malaria parasites alter the chemical odor signal of their hosts to attract mosquitos and better spread their offspring, according to researchers, who believe this scent change could be used as a diagnostic ...
Most of 'missing species' live in known hotspots, study finds
Most of the world's "missing" or undiscovered species live in regions already identified by scientists as conservation priorities, according to a new study published this week in the journal Proceedings of the National Ac ...
Disappearance of New Zealand birds 100 years ago makes life tough for plants: study
Carbohydrates help plants survive drought
Plants that have higher levels of starch and sugars can survive droughts better than species with lower levels, say scientists.
Sea star wasting devastates Pacific Coast species
(Phys.org) —Sea stars off the Pacific Coast are dying en masse at an "unprecedented" rate and geographic spread, and Cornell researchers are trying to find out why.