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Freshwater swimming in Florida's springs

We looked underwater and understood Rainbow river’s colourful name. Shafts of late afternoon sun tipped blades of lime green eelgrass with gold, while silver bubbles trailed behind our flippers in the blue water. Every… Read more

Life and style

Does infinity come in different sizes?

Are there different sizes of infinity? Apparently there is an infinite series of prime numbers, but also an infinite series of “normal” (non-prime) numbers; but at any given time there must be more normal numbers than… Read more

Weather in Ashburn, VA

Wed
Low: 50°
High: 50°
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Low: 49°
High: 72°
Fri
Low: 55°
High: 73°
Sat
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High: 69°

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