Africa's first climate monitoring station is located on Mount Mugogo in Rwanda. Scientists there monitor levels of various greenhouse gases. They hope their data will help strengthen Africa's position at international climate negotiations.
Mark Zuckerberg and his wife recently announced they want to cure the world of all disease.
Blanketing the Antarctic ice sheet in artificial snow might sound outlandish. But could geoengineering help to counteract runaway climate change? One thing is clear: many of the ideas could be very risky.
In the Gorongosa National Park, young female scientists are cataloguing flora and fauna for a global genetic database. It will enhance our understanding of the diversity of life on earth and the roles different species play.
This week's viewer question comes from Osman Maiga in Uganda.
Cholesterol and heart attacks across the country are both down since 2013 due to improved medical advice.
Whether hard drives or electric motors, rare earth elements play a key role in a range of technologies. The metals mostly come from China. To ease dependence, researchers at the RWTH Aachen University are working on recycling the precious elements.
Travelling up and down the river, Alexander von Humboldt was ravished by the beauty and variety of the landscapes, flora and fauna. Today nature conservationists are battling to preserve the region's many threatened species.
If sap could be manipulated to make a plant more attractive to various pollinators, it would help secure harvests. A common plant pest is helping researchers in the process.
With TB as the leading infectious cause of death around the world, researchers have found a new vaccine that could save millions.
Botswana to set up boreholes to save elephants during the drought caused by climate change. At least 120 elephants have died in the Chobe area, last week.
Prof Jennifer Doudna, one the pioneers of Crispr-Cas9 gene editing, explains how this revolutionary discovery enables precise changes to our DNA.