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Researchers detected waves coming just after the Big Bang 13.8 billion years ago.
Physicist Lawrence Krauss and Nobel Laureates Frank Wilczek and Brian Schmidt discuss current cosmic challenges.
How can scientists tell compelling stories without hyping or distorting the science?
The Science Friday Book Club discusses the classic book “Surely You’re Joking, Mr. Feynman!”
In his book, Krauss surveys modern cosmology and what it says about the past and future universe.
Was a star eaten by a massive black hole?
Cormac McCarthy, Werner Herzog, and Lawrence Krauss discuss science as inspiration for art.
Physicist Lawrence Krauss writes about the life and science of Richard Feynman.
In this hour of Science Friday, we'll talk with philosophers and scientists about the origins of human values.
Are there some challenges that are beyond us, despite money, intelligence, and desire?
Thursday, the Bulletin of the Atomic Scientists adjusted the minute hand of its Doomsday Clock, a measure of the world's vulnerability to catastrophe.
Ira talks with cosmologist Lawrence Krauss about whether a human expedition to Mars should involve a return trip to the Earth.
In this hour, we'll get an update on the very small--particle physics--and the very large--cosmology--and find out how these two fields of study fit together.
Much-maligned moths are more than the butterfly’s drab cousin.
Hawk moths feed like hummingbirds. Ty Hedrick wants to know how they hold steady...
Can woolly bear caterpillars predict winter weather?
Several newly-discovered species of caterpillar in Hawaii function equally well ...
A virus known as baculovirus sends caterpillar climbing for the treetops.
\tLegend holds that the length of a woolly bear caterpillar’s color bands can be used to forecast how severe the winter weather will be. The myth dates back to colonial American folklore but was popularized by a 1948 study. SciFri finds out if there’s any truth to the lore, and what the caterpillar’s fuzzy bristles are really used for.