There's enough DNA in the human body to stretch from the sun to Pluto and back. But don't confuse DNA with your genes, says writer Sam Kean.
"They are sort of conflated in most people's minds today but they really are distinct things," he tells Fresh Air's Terry Gross. "Genes are like the story and DNA is the language that the story is written in."
As a child, astronomer Jill Tarter would walk along the beaches of western Florida with her father and look up at the stars.
"I assumed, at that time, that along some beach on some planet, there would be a small creature walking with its dad and they would see our sun in their sky, and they might wonder whether anyone was there," she tells Fresh Air's Dave Davies. "But I never thought about it professionally until graduate school."
The NCAA laid out severe penalties against Penn State University today - in light of a child rape scandal. The school's football team has been banned from post-season play, docked scholarships, fined heavily, and stripped of past victories. Michel Martin discusses the penalties with Sports Illustrated's Pablo Torre.
This is TELL ME MORE, from NPR News. I'm Michel Martin. Coming up, the NCAA has leveled severe penalties against Penn State for failing to stop former assistant football coach and convicted sexual predator Jerry Sandusky. We'll have the latest on that story in a few minutes.
Host Michel Martin discusses HIV and AIDS within the Latino community in the United States with Jesus Aguais of AID for AIDS International, which promotes prevention and treatment for Latin American patients. Also, Alicia Wilson, the Executive Director of La Clinica del Pueblo.