Agriculture
- Climate
Crop nutrients may drop as carbon dioxide rises
Many staple grains and legumes pack 5 to 10 percent less iron, zinc and protein when grown at carbon dioxide levels expected midcentury.
- Agriculture
Where antibiotics go
Of the 51 tons of antibiotics consumed every day in the United States, about 80 percent goes into animal production.
- Life
Big study raises worries about bees trading diseases
Pathogens may jump from commercial colonies to the wild.
- Agriculture
Some bioenergy crops are greener than others
In the Upper Midwest, switchgrass trumps maize at boosting ecological health.
- Agriculture
Dealing with change, climate and otherwise
Wine, DNA, our understanding of the universe: It's all changing, whether we are ready for it or not.
- Agriculture
Sweet potato weevils have favorite colors
When it comes to eradicating the sweet potato weevil, the devil is in the colorful details.
- Agriculture
Probiotics may protect piglets from E. coli infection
Beneficial bacteria could replace antibiotics in pig feed.
- Agriculture
Fertilizer has staying power
Nitrogen-based fertilizer may remain in the soil for eight decades, complicating efforts to reduce pollution from runoff into rivers.
- Earth
Nanosized pollutants pose crop risks
Nanoparticles in exhaust and common consumer products can end up in soil and harm the growth and health of crops.
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- Humans
Yet another study links insecticide to bee losses
Since 2006, honeybee populations across North America have been hammered by catastrophic losses. Although this pandemic has a name — colony collapse disorder, or CCD — its cause has remained open to speculation. New experiments now strengthen the case for pesticide poisoning as a likely contributor.
- Humans
Growth-promoting antibiotics: On the way out?
Sixty-two years later — to the day — after Science News ran its first story on the growth-promoting effects of antibiotics, a federal judge ordered the Food and Drug Administration to resume efforts to outlaw such nonmedical use of antibiotics.
