The astrophysicist calculates that his method could save airlines hundreds of millions of dollars per year, not to mention a bushel of time for passengers.

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You instruct your fund company (by phone or online) which shares to sell, as you would with an individual stock. (Again, make sure you get and save that confirmation.) Using this method requires you to track your cost for each block of shares, including those purchased with reinvested distributions.

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With complex purification technology beyond the reach of the many developing world communities that suffer from dangerously high levels of the toxic metalloid element in their water supply, this surprisingly simple method of filtration, could quite literally save lives.

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Dr. Bluementhal developed an affordable, low tech screening method for cervical cancer that is likely to save tens of thousands of lives in third world countries over the next decade, and has the potential to save hundreds of thousands.

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While some children quickly learned how to save up an allowance for major purchases, most kids learn a more immediately-satisfying method: Spend your allowance on whatever you want to buy right now.

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The IRS also expects taxpayers to save more than 1.6 million hours per year in tax preparation time from this simpler calculation method.

WHITEHOUSE: The Home Office Tax Deduction: Simplifying Rules And Helping Small Business Owners Succeed | The White House