Canada population within 150 kilometres U.S. border

Most Canadians live near the U.S. border

~80% within 150 km

About 80 percent of Canadians live within 150 kilometres of the border with the contiguous United States. Roughly 95 percent live south of the 55th parallel.

Misleading questions can alter memory

Human memory is reconstructive rather than a literal recording. When a question uses misleading wording, people may remember details that were not present. This effect is known as the misinformation effect.

A spinning mercury telescope mirror must always face upward

Spinning liquid mercury naturally forms the curved shape needed for a telescope mirror. Such mirrors can be far cheaper than large solid ones. But liquid cannot be tilted without spilling or changing shape, so the telescope must always look straight up.

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Canada population within 150 kilometres U.S. border

Most Canadians live near the U.S. border

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