Science & Medicine
An Oxford University researcher will soon test whether applying an electric current to part of the brain can help children learn math—an effect previously demonstrated in adults. Parents are already lining up for access to the device. But is the technique safe? And is this an ethical way to improve a child's performance in school?
For more global environmental stories, visit:
http://www.pbs.org/wgbh/nova/earth/
http://www.theworld.org/category/topics/environment/
NOVA is produced by WGBH in Boston. Funding for NOVA is provided by David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and PBS viewers.
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