Wolfram Alpha LLC is a Wolfram Research company whose long-term goal is to make all systematic knowledge immediately computable and accessible to everyone.

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Like the best products, this lovely chart of the elements grew out of the passionate interest of its creator, Theodore Gray, one of the co-founders of Wolfram Research, maker of Mathematica software.

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Dr Wolfram said the "trillions of pieces of data" were chosen and managed by a team of "experts" at Wolfram Research, who also massage the information to make sure it can be read and displayed by the system.

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In research that Wolfram Schlenker and I have conducted using the Hadley III climate model, we project yield declines of about 20% over the next 20 years, holding all else the same.

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