News
- Life
Birds catching malaria in Alaska
The mosquito-spread disease may be transmitted north of the Arctic Circle as climate shifts.
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2012 International Astronomical Union General Assembly
Science News’ coverage of the IAU meeting held August 20-21 in Beijing.
- Neuroscience
Nonstick trick in the brain
Getting drugs into the brain has proved to be a nanoscale puzzle: Anything bigger than 64 nanometers — about the size of a small virus — gets stuck in the space between brain cells once it gets through the blood-brain barrier. Justin Hanes of Johns Hopkins University School of Medicine and colleagues got around this rule by coating particles destined for brain cells in a dense layer of a polymer called polyethylene glycol.
