In today's Big I we looked at Mark Stark's prosthetic hand - a device he made in his basement to help a friend.

It was recently awarded a spot in Popular Science magazine's 2011 Invention Awards.

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Click here for more on $1 pens that could one day save millions of lives.

Just how smart do you want your phone to be? Search engine giant Google is hoping you'll let it handle your financial affairs. Digital lifestyle expert Mario Armstrong shows you how the new virtual wallet works.

If you think the money you save by clipping coupons isn't worth the time, take a look at this.

Join T.J. Holmes weekend mornings in the CNN Newsroom, beginning 6am ET/ 3am PT.

From financial analyst Clyde Anderson:

On May 18 Senator Herb Khol and Mike Enzi proposed a new bill, the SEAL (Saving Enhancement by Alleviating Leakage) ACT, that they say was created with the intent of preventing leakage of savings from 401K before retirement. In the midst of economic uncertainty and during a time when people are needing to pull funds to help them through some difficult financial situations the government wants to step in to regulate? The question we must ask ourselves: is this a concerned government looking out for the best interests of the people or is it Government and Wall Street looking out for themselves?

Look for Clyde Anderson's segements in the 7 o'clock hour of CNN Saturday Mornings with T.J. Holmes.