Does Antarctica contain extremely dry valleys?
Yes. Antarctica includes the McMurdo Dry Valleys, one of Earth's coldest and driest desert environments.
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Recent Answer Keys
Are bats actually blind?
No. Bats are not blind; many use both eyesight and echolocation.
Was the Declaration signed on July Fourth?
No. Congress adopted the Declaration on July 4, but signing occurred over time.
Was Symbolics.com one of the first registered domains?
Yes. Internet history sources identify Symbolics.com as the first registered .com domain in 1985.
Do earthquake machines record shaking as zigzags?
Yes. A seismograph records ground motion, producing a seismogram that shows earthquake waves.
Did radio help save the Eiffel Tower?
Yes. Its radio and communications value helped justify keeping the tower.
Was a real moth found in an early computer?
Yes. The Smithsonian preserves the famous 1947 log page with a moth from the Harvard Mark II.
Is email older than the World Wide Web?
Yes. Networked email predates the Web by many years.
Does GPS need relativity to stay accurate?
Yes. Relativistic effects are part of keeping satellite navigation timing accurate.