Rwanda is introducing a new tool in the fight against HIV/AIDS: an innovative device that makes male circumcision safer and more efficient. If adopted on a large scale, it has the potential to sharply decrease the number of new HIV cases.

A medical team from the United States is training Rwandan doctors and nurses in a new program dubbed "See and Treat." A quick test using vinegar allows for an immediate diagnosis of cervical cancer, and low-cost treatment techniques are readily available.

Access is often the largest obstacle to healthcare. Nowhere is this more apparent than in the rugged, mountainous country of Lesotho, where much of the population lives mired in rural poverty. But one organization, Riders for Health, has introduced an all-terrain option that's linking communities in the most remote regions: the motorbike.

A single bite from a venomous snake can case tissue damage, paralysis, and even death. Antivenoms can keep you alive, but their side effects are often devastating. That's why scientists at the Liverpool School of Tropical Medicine are working with the Nigerian Ministry of Health to develop cheaper and safer antivenoms.

Eighty percent of Dar es Salaam's population lives in unregulated settlements, forced to rely on smelly and hazardous pit latrines. "The Gulper" is transforming the way those latrines are emptied, improving the health of the whole community.

What is social innovation? Solving some of the world's most pressing problems -- including global poverty and development -- requires innovative thinking, unusual partnerships, and entrepreneurialism. And it's already working. Find out how in Unleashing Innovation.

Compared to traditional tests using a microscope, GeneXpert is more accurate and much quicker in diagnosing tuberculosis, and can detect drug resistant strains of the disease. But are the high costs worth it?

Leon suffered a devastating spinal injury when his house collapsed on him in during the 2010 Haiti earthquake. But thanks to the Haiti Hospital Appeal, which helps rehabilitate patients with spinal cord injuries, he is beginning to stand on his own feet again.

As part of a five month humanitarian trip, the USNS Comfort hospital ship is bringing medical relief and surgical care to local communities in Central America. Surgeries are performed on the ship, and primary care evaluations are carried out on shore.

Augmented reality is coming to robotic surgery. Here, surgeons test the use of medical scans projected over their camera views, providing an annotated navigational display for patient Gary Keane's prostatectomy.

SMS for Life is a pilot program in Tanzania that uses mobile phones and text messages to keep track the amount of malaria drugs in different areas, preventing stocks of malaria drugs from running out at critical times.

The USNS Comfort is a hospital ship bringing medical relief and surgical care to local communities in Central America. Seventy-four-year-old Juana Mejia is on the ship to undergo surgery for the removal of her cataracts.

Jermain Romeize is suffering complications during childbirth in post-earthquake Haiti. Fortunately, she is being looked after in a maternity hospital, which was built entirely out of shipping containers as a rapid response to the earthquake.

The Health Show interviews Timothy Whitehead, the inventor of a water bottle that makes water safe to drink in two minutes using a filter and UV light.

Food prices have recently skyrocketed in the western highlands of Guatemala, and chronic malnutrition is stunting the development of children both physically and mentally. However, indigenous plants once common to the area may hold a solution.

It wasn't easy for Dr. Ayodyha Wataliyadda to leave her family in Sri Lanka. But thanks to an initiative of the British and Sri Lankan governments, she is able to gain valuable work experience in the UK while eventually returning to practice medicine in her home country.