US Internet adoption steady as 'digital gaps' persist

The percentage of Americans using the Internet has remained unchanged for the past three years, with older and low-income people making slow progress getting online, a study showed Friday.

Improve learning by taming instructional complexity

From using concrete or abstract materials to giving immediate or delayed feedback, there are rampant debates over the best teaching strategies to use. But, in reality, improving education is not as simple as choosing one ...

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