Researchers at the Scripps Research Institute say they created the first microbes containing artificial DNA. CBS News medical contributor Dr. David Agus discusses the scientific breakthrough and what it could mean for making new drugs. Source

Actress Valerie Harper, 74, testified before a Senate committee, urging Congress to commit more funding to cancer research. Harper, who has been fighting cancer, told senators she is a year and four months past the time doctors gave her to live. Source

All new: A Weight Watchers executive is murdered by her Wall Street lawyer boyfriend. Did his mother’s neglect 30 years ago push him to kill? Troy Roberts investigates Saturday, May 10 at 10 p.m . ET/PT on CBS. Source

The author best known for “The Da Vinci Code” offers unconventional advice to writers. Source

Brown shares how his life has changed since the international success of his book, “The Da Vinci Code.” Source

“Inferno” is the fourth book in Brown’s series with character Robert Langdon. The writer discusses his process and the relevance of the 14th-century poet, Dante. Source

The character Robert Langdon first appeared in “The Da Vinci Code” and is now making a fourth appearance in Brown’s latest, “Inferno.” Brown talks about what makes Langdon a popular protagonist. Source

Anyone with a good Internet connection can now become a deep sea explorer. The National Oceanic and Atmospheric Administration now is broadcasting their expeditions live from the depths of the ocean. Craig Boswell goes inside the command center in Silver Springs, Md. Source

Recent studies show how unhealthy sitting at a desk for eight hours a day can be. Now many companies are holding meeting that get workers out from behind their desk. Susan McGinnis reports. Source

The House speaker defends a special committee set to dig deeper into the Obama administration’s response to a Sept. 11, 2012 attack on a U.S. consulate in Libya. Source