Some places feel old enough to have seen the first dawn. Ethiopia is one of them. The air carries the weight of centuries, and the land moves at its own pace, unbothered by our impatience, unmoved by ...

Sudanese army forces recaptured the Al-Silk area in the Blue Nile state near the border with Ethiopia from the paramilitary Rapid Support Forces (RSF), the military said on Monday. In a statement, the ...

Introduction Ensuring free access to essential medicines is a cornerstone of universal health coverage, yet many countries ...

Photonic crystals are periodic optical structures that can control the flow of light. Multiple reflections from surfaces separated by a distance similar to the wavelength prevent an optical beam from ...

Iran’s system of government is not quite a democracy, nor a theocracy. Founding Supreme Leader Ruhollah Khomeini developed its animating doctrine, known as guardianship of the jurist, in the years ...