Medical Technology

New genetic sequencing data point to a longstanding conflict between the chromosomes that determine sex

Sangeeta Bhatia of M.I.T. talks about efforts to get bacteria to home in on tumors and let us know they're there. Cynthia Graber reports

Norman Augustine, former CEO of Lockheed Martin and former undersecretary of the Army talks about the report he co-chaired for the American Academy of Arts & Sciences, "Restoring the Foundation: The Vital Role of Research in Preserving the American Dream"    
 

Researchers hope to show whether the human eye can detect a single photon—and its superposition

Sending people home with meds for their bedmates gets results but raises questions about drug resistance

Statistics have suggested a sharp increase in the number of American women dying as a complication of pregnancy since the late 1980s, but a closer look at the data hints that all is not as it seems

The libido-enhancing drug approved by an FDA advisory panel acts slowly on the brain to increase desire—not quickly on the mechanics of the sexual act

A newly discovered structure in cells underlies inflammation wherever it occurs—an insight that may lead to new treatments for ailments as diverse as atherosclerosis, Alzheimer's and fatty liver disease

With them, you can see veins, hidden bruises, cancer cells and more

A DNA-based vaccine gave rats six months of protection against high blood pressure as well as healthier hearts. Christopher Intagliata reports

From predatory microbes to toxic metals, nature is inspiring new ways to treat infections

High-tech sticks could help visually impaired people spot obstacles and even identify acquaintances as they approach. Larry Greenemeier reports