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To The Best Of Our Knowledge

Historian and philosopher of science Robert Richards tells Steve Paulson that Charles Darwin himself believed evolution marches inevitably toward greater complexity.

To The Best Of Our Knowledge

Psychiatrist Ned Kalin and psychologist Richard Davidson have found that cheerful people tend to have more left-brain activity while people with active right brains tend to be sad and pessimistic.

To The Best Of Our Knowledge

Winter. I am getting sick of this winter. It’s hard to get around. I’m never outside. I hate scraping and shoveling. . . And, I’m cold. And most likely you are cold too.

To The Best Of Our Knowledge

American cross country ski champion Nina Kemppel tells Jim Fleming that winning an Olympic medal matters to every athlete who competes.

To The Best Of Our Knowledge

Raymond Zilinskas tells Jim Fleming that a biological weapon is live organism while a chemical weapon uses an inert substance.

To The Best Of Our Knowledge

Justin O. Schmidt has been stung by nearly every insect with a stinger, from the benign honeybee to the viscious tarantula hawk wasp. He is a research biologist and professor at the University of Arizona school of Entomology and he told Steve Paulson about his creation, the Schmidt Sting Pain Index.

To The Best Of Our Knowledge

Astrophysicist Lawrence Krauss talks with Steve Paulson about the cosmology of the end of the universe. The big bang will also have a big finish!

To The Best Of Our Knowledge

What did FDR understand about democracy that our current political leaders – on both sides of the aisle – have forgotten. 

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