5,519 results
- Life
Better sensing through empty receptors
A new model suggests cells may be more sensitive to their environment than previously thought.
- Life
Penguin DNA evolving faster than thought
Comparing the DNA in modern birds to that in ancient generations shows molecular evolution happens at varying rates, and that each species has its own rate of evolution.
- Microbes
Team spirit
Working together, bacteria and other microbes can accomplish much more than they can alone. Now scientists hope to harness that ability by engineering their own microbial consortia.
- Life
Bacteria use poison to make food
Bacteria from Mono Lake conduct photosynthesis with arsenic, a form of the process that may be a relic of life on Earth before the advent of an oxygen atmosphere.
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Not just a high
Cannabis compounds show their stuff against a host of medical problems, relieving symptoms far beyond pain and nausea.
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Melting at the microscale
Studying sea ice close-up may improve climate models.
- Agriculture
Predators zoom in on lice-infested salmon
New research reveals another impact of fish farming on wild stocks.
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Three genes linked to Alzheimer’s disease risk
Three new genes that raise the risk of developing Alzheimer’s disease have been discovered in two large genome-wide searches.
- Ecosystems
Living Physics
From green leaves to bird brains, biological systems may exploit quantum phenomena.
- Health & Medicine
Bone-growth drugs may increase jaw disease risk
New study finds link between common drug and jawbone death.
- Humans
What’s in your bottled water?
A congressional hearing found bottled-water quality is not regulated as strictly as tap water is.
