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To The Best Of Our Knowledge

Celia Brooks Brown tells Anne Strainchamps vegetarian food is gaining in popularity because it is healthy and delicious.

To The Best Of Our Knowledge

Frank Drake says SETI gets lots of false alarms and they’re all caused by signals that originate on earth, and that the situation will only get worse.  But he’s still optimistic.

To The Best Of Our Knowledge

Bill Ayers was a member of the Weather Underground, which set off a series of bombs around the country in protest against the Vietnam War. Ayers insists he was not a terrorist, since his objective was never to kill people. He believes his own actions showed restraint in comparison with the enormity of the harm he believed the Vietnam War was causing.

To The Best Of Our Knowledge

Historian Donald Sassoon tells Jim Fleming that the Mona Lisa is a great painting, but that other factors conspired to make it an international icon.

To The Best Of Our Knowledge

Emily Rapp had her foot amputated when she was 4, and the rest of the leg at age 8.

To The Best Of Our Knowledge

In his book "Back to Our Future" David Sirota says the proof is in the staying power of 80s pop culture.

To The Best Of Our Knowledge

Dan Lamoureux is a self-described dork who produced and directed the documentary film "Nerdcore for Life."

To The Best Of Our Knowledge

Edmund Morris says Theodore Roosevelt was a force of nature  - man of towering intellect, boundless physical energy and firm convictions whose greatest achievement as President was his commitment to conservation.

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