Bacteria

A picture of vials of blood for testing.
GrahamColm / Wikipedia

Doctors may soon be able to conduct a blood test to determine if a patient needs an antibiotic. 

Researchers at Duke Health have developed a process that identifies markers in the blood of patients with respiratory complaints. They show the difference between a viral infection and one that's caused by bacteria.

NC State University

We think we know calories.

Eat too many and you get fat. Eat too few and you get skinny. But Rob Dunn, a biologist at North Carolina State University, says that might not be the case. He argues that many other factors affect calorie consumption and that stomach bacteria may be more influential than once realized. Host Frank Stasio talk with Dunn about the mystery of calories.