Centers for Disease Control and Prevention director Dr. Tom Frieden speaks at a news conference Sunday Oct. 5, 2014 at the CDC in Atlanta. Frieden said that he was aware that Ebola patient Thomas Eric Duncan's health had "taken a turn for the worse," but he declined to say what signs of poor health Duncan had shown. (AP Photo/Johnny Clark)

More Ebola screening possible for United States

Ahead of a White House meeting on the Ebola outbreak, federal health officials said Monday the U.S. is weighing whether to institute extra screening at U.S. airports where travelers from Ebola-stricken African nations may be arriving.

Hazardous material cleaners disinfectant their personal protective equipment after working in the apartment where Thomas Eric Duncan, the Ebola patient who traveled from Liberia to Dallas, stayed last week, Sunday, Oct. 5, 2014, in Dallas. A homeless man being sought because of possible contact with the lone U.S. Ebola patient was found in Texas after several hours of searching, authorities said. (AP Photo/LM Otero)

Journalist with Ebola arrives at Nebraska hospital

Ashoka Mukpo, 33, arrived by ambulance Monday at the Nebraska Medical Center, where he will be kept in a specialized biocontainment unit built specifically to handle this type of illness.

FILE This is  a 2008 file photo of  Norwegian scientists May-Britt and Edvard Moser pictured when they received the Fernstrom award in 2008. The Nobel Assembly at the  Karolinska Institute in Stockholm on Monday Oct. 6, 2014  announced that the Nobel l Prize for Medicine 2014 was awarded  to U.S.-British John O'Keefe, May-Britt Moser and Edvard I. Moser  "for their discoveries of cells that constitute a positioning system in the brain".   (AP Photo / Drago Prvulovic / TT, File)   SWEDEN OUT

3 win medicine Nobel for discovering brain’s GPS

A U.S.-British scientist and a Norwegian husband-and-wife research team won the Nobel Prize in medicine Monday for discovering the brain’s navigation system — the inner GPS that helps us find our way in the world.

File photo

Tainted water at Census Bureau raises concerns

The Courier-Journal reports the Census Bureau has shut off its drinking fountains and ice machines, provided water dispensers and is posting quarterly water test results.

Cooler temperatures hurt tomato crop

Purdue to lead organic tomato breeding push

Purdue University has won a $2 million federal grant to lead a push to breed new varieties of organic tomatoes resistant to diseases that can decimate tomato fields.