What happened to the oil?
As reports came in of another off-shore oil rig explosion in the Gulf of Mexico, this week BP began the process of permanently sealing the leak in its undersea well. Even after 206 million gallons of oil flowed into the Gulf from late April to early August, there were claims that the BP oil had "disappeared" into the sea. But scientists question whether it's really gone.9:06 a.m.Larry McKinney, PhD: Executive director of the Harte Research Institute for Gulf of Mexico Studies
Richard Snyder, PhD: Director, Center for Environmental Diagnostics and Bioremediation at the University of West Florida
Noelle Straub: Reporter for Greenwire who has covered the oil industry.
Preserving history: A new look at the Titanic
Twenty five years since the wreck of the Titanic was discovered, scientists plan to plunge back in to the depths of the Atlantic Ocean in order to take 3-D images of the sunken ship. The images will be used to create a map of the Titanic, revealing large parts of the wreck that have never before been explored.9:45 a.m.Dr. David Gallo: Director of Special Projects at the Woods Hole Oceanographic Institute.
A case of whodunit, with a feminine twist
The creator of hard-boiled, whisky-loving private eye V.I. Warshawski joins Midmorning to talk about her creation's newest adventure, and why most crime writers know nothing about women.10:06 a.m.Sara Paretsky: Crime writer. Her new novel, the 14th featuring private investigator V.I. Warshawski, is "Body Work."
- Hurricane season hits with full force
Hurricane Earl is barreling towards the east coast and Long Island, N.Y. as one of the biggest tropical storms in this hurricane season.10:45 a.m.Dennis Feltgen: Public Affairs Officer for the National Hurricane Center.
Twitter
You can follow Kerri Miller on Twitter at @KerriMPR
Midmorning Podcast
Download each day's Midmorning to your computer or portable MP3 player. Each hour addresses a different topic. To receive both hours every day, you need to subscribe to both hour one and hour two.
Subscribe directly with iTunes:
Hour 1: 
Hour 2: 
You can also copy and paste these URLs into your podcast software: