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New roots of famine: How climate crises and global conflict combine to threaten millions in the Horn of Africa

The Horn of Africa is on the verge of famine as the worst drought in 40 years has extended through its fourth rainy season, but drought alone is rarely what causes famine.

What Africa really needs to fight Ebola and other emerging diseases: anti-corruption efforts

What Africa really needs to address its pandemic disease problems is reduced corruption, so money sent to lay the foundations of public health actually is used as intended

Stopping a new mosquito-borne viral threat

To beat back chikungunya, dengue, and yellow fever, human behavior has to change.

Nowhere to hide: How a nuclear war would kill you—and almost everyone else.

In a nuclear war, hundreds to thousands of detonations would occur within minutes, resulting in tens to hundreds of millions of people dead or injured in a few days. But a few years after, global climatic changes caused by the many nuclear explosions could be responsible for the death of more than half of the human population on Earth.