It can take three minutes to know if you're pregnant, but hours or days to know if you've contracted Ebola. Scientists with Tulane University are working frantically to change that.Dr. Robert Garry, the Tulane professor of microbiology and immunology who helps lead the Viral Hemorrhagic Fever Consortium based in Sierra Leone, said that early detection and diagnosis should go a long way toward stemming the worst Ebola outbreak in history. In June, the National Institutes of Health awarded his team and Corgenix Medical Corp. $2.9 million to develop a rapid diagnostic test that would give health care workers a fast...