How much will Africa’s growing power grid rely on renewable energy?

solar thermal power plant in Morocco

Africa’s electricity capacity is expected to double by 2030 — and with the rapidly dropping cost of renewable energy technologies, the continent might seem poised to go green. But a new analysis suggests that fossil fuels will still dominate Africa’s energy mix over the next decade. The scientists used a machine learning approach that analyzes […]

Hungry plants rely on their associated bacteria to mobilize unavailable iron

IMAGE: In iron-limiting soils, plants activate an iron-deficiency response that includes production and secretion of coumarins. These compounds alter the composition of the root microbiota and elicit a microbial activity that… view more  Credit: Christopher J. Harbort In nature, healthy plants are awash with bacteria and other microbes, mostly deriving from the soil they grow in. […]