Mineral mining prospects in the deep sea are piquing the world's interests as countries are staking claims in the sea bed. But what will the effects of deep sea mining be?
How India's farmers try to step a step ahead of a changing climate.
A reporter's timeline of the world's plodding attack on Ebola.
In Ethiopia, evolution is not a threat to people of faith.
In Ethiopia, paleontologists are pushing back the clock on humanity’s origins.