The light-emitting diode (LED) looks like the eco-bulb of the future. But reviews are mixed.
The world is facing a critical shortage of doctors, and the prognosis is getting worse.
Save the Cats
Learn about the groups that work with Central Asian communities to help people live with the snow leopard.
Learn how you can conserve energy and shrink your carbon footprint in this special issue from National Geographic.
A gangrenous infection that thrives where poor sanitation and malnutrition are common.
In the rainforests of Mindanao island the high-pitch cries of juvenile Philippine eagles can be heard.
Western lowland gorillas have been ravaged by the Ebola virus and squeezed by habitat loss.
After the July 2007 killings of endangered mountain gorillas, a mobile antipoaching force stayed close.
Battle Against Zoonotic Diseases
Contribute to Congo BioMed's efforts to bring aid to the region and to promote local biomedical research and training.
Soul of Pakistan
Abdul Sattar Edhi established a medical clinic 56 years ago—and has never stopped helping the people of Pakistan.
Insecticide-treated bed nets may be low-tech, but they're a highly effective way to prevent the spread of malaria.
Many kids start school in Dharavi; few of them finish. One of the community's greatest challenges is education.