A Polish man paralyzed from the chest down since 2010 has regained the ability to walk after a new treatment transplanted cells from his nasal cavity into his spinal cord. 

Under most circumstances, the bones and cells protecting our brain are a blessing. But when it comes to delivering vital medicine to patients with disorders such as Alzheimer's, scientists have turned to creative solutions to infiltrate the brain's defenses.

Decades of neuroscientific research may be culminating in treatment to help those with short attention spans overcome their lack of focus.

Photo of astronaut Reid Wiseman taken by fellow ISS crewmember Barry E. Wilmore.

An Army Captain advocates for a rethinking of the way the U.S. military trains and promotes its leaders. He vouches for flexible planning, adaptive learning, and a stronger meritocracy.

Workplace survival during a leadership change is an exercise in Social Darwinism (and sometimes involves more bootlicking than we'd like to admit).

Where college application season often means reaching for the stars, it's also important to maintain perspective about your financial limitations.