Mt. Rainier

Ed Salau attempts to reach the summit of Mt. Rainier a few years after his leg was amputated at, and then above, the knee.
Photo by: Photo courtesy of Ed Salau

In Iraq

Salau uses his prosthetic leg to his advantage in Iraq in 2009.
Photo by: Photo courtesy of Ed Salau

In the lab

Tianhong Dai at work in his lab testing UV-C light on mice.
Photo by: Sulbha K Sharma/Harvard

Killing bacteria

The cell inactivation curve in the image shows that UV-C is highly bactericidal, meaning capable of killing bacteria.
Photo by: UVComparison.Com

Femur implant

Orthopedic surgery Profesesor Christopher T. Born hopes to infuse metal implants like this one in a patient's femur with drug-like characteristics that fight infections.
Photo by: Image courtesy of Christopher T. Born

Notch molecules

Notch molecules slow stem cell growth, enabling scientists to use them as building blocks to rebuild bone, cartilage, or tissue.
Photo by: Image courtesy of Yufeng Dong

Battlefield wound

Battlefield wounds can be especially messy, with multiple fractures and drug-resistant bacteria.
Photo by: Photo courtesy of Airlift Research Foundation


Samsung Galaxy S8's major makeover

This year's flagship phone gets a sexy new design and Bixby, a house-made digital assistant.

Hot Products