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The Spokesman-Review Newspaper

The Spokesman-Review Newspaper The Spokesman-Review

Spokane, Washington  Est. May 19, 1883
Clear Day 51° Clear

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Ask Dr. Universe: Why do we get goosebumps?

If you’ve ever been outside on a cold day, you may have noticed how your arm hairs stood up and you felt some goosebumps. Humans get goosebumps for different reasons, and one of those reasons has to do with temperature.

Ask Dr. Universe: How do touch screens work?

When I got your question, I decided to do a little experiment. First, I tapped my finger on a tablet and sent a message to a friend. Next, I put on a pair of wool mittens and started typing, but the screen did not respond.