It can be a pure blue but ranges from greenish blue to violetish blue. The name “sapphire” can also apply to any corundum that’s not red and doesn’t qualify as ruby, another corundum variety. Besides ...

The expansion of the universe is, in some ways, similar. But this analogy gets one thing wrong – while the dough expands into the baking pan, the universe doesn’t have anything to expand into.

List of awesome open source applications written in Ruby and Rails. The main goal of this repository is to find free open source Ruby and Rails apps and start contributing 🚀 . Feel free to Contribute ...

The September birthstone is sapphire – a gem that’s been cherished for thousands of years. Although the term sapphire usually refers to the blue variety of corundum (ruby is the red variety), this ...

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The card earns bonus points for travel and dining-related spending, which can be redeemed for more value through Chase. It piles on the perks, too, but they come at a price. With a big sign-up ...

WASHINGTON, Dec 9 (Reuters) - Fresh corroboration of the perplexing observation that the universe is expanding more rapidly than expected has scientists pondering the cause - perhaps some unknown ...

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Astronomers say they are close to solving an intergalactic mystery about the creation of the universe's biggest galaxies which has puzzled experts for decades. Urban and community planners have a ...

At close: December 9 at 2:29:47 PM EST ...