Atlantis and its four crew members landed at the Kennedy Space Center just before 6 a.m. Now that Atlantis has returned to Earth, there will be no more shuttle flights. The program is ending after 30 years.
In many parts of the country, it will be intensely hot again Thursday. From the South to the Midwest to the East Coast, temperatures will soar into the 90's and some areas are forecast to top 100 degrees.
The stock market overall is up about nine percent so far this year — in large part because corporate profits are doing well. But the unemployment rate is a bit higher than at the beginning of the year. Host speaks with David Wessel, economics editor of "The Wall Street Journal," about the disconnect between soaring corporate profits, and stagnant hiring and wage growth.
Two independent teams of researchers have come up with the most accurate genetic maps ever made — a feat that should make the search for genes associated with diseases easier.
To understand why an accurate genetic map is useful, imagine you are trying to locate a house in Topeka, Kan., but the only map you have is one of the Interstate Highway System. You could probably find Topeka, but finding the specific house you want would take a lot of trial and error.