Low-cost microscope uses holograms, not lenses

Researchers at UCLA have built a compact, light-weight, dual-mode microscope that uses holograms instead of lenses, and which they say is ideal for use in developing countries.

Children given lead poisoning by battery industry

Battery recycling plants in the developing world are leaving local children with dangerous levels of lead in their bodies.

Clean stoves could save millions in developing world

It's not as obvious as the pollution that's caused by industrialization, but smoke and toxins from cooking fires are killing millions of women worldwide.