Earth Science

Dust Devils

WHAT ARE DUST DEVILS? A dust devil is a strong, well-formed, and relatively long-lived whirlwind, ranging from half a meter wide and a few meters tall to over 10 meters wide and over 1000 meters tall. They resemble a funnel…
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The Trackless Taiga

The taiga is the largest terrestrial biome in the world. It’s the great conifer forest that stretches across the continents of North America and Eurasia, in the north, where few people live. The taiga is mostly located between 50 degrees…
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Understanding Salmon Farming

The biggest detrimental effect of salmon farming, that is, raising salmon for commercial use rather than turning fingelings loose in rivers, is that man is involved in the process. However, consider the alternative. Salmon is one of the most sought…
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