Research by scientists at Imperial College London suggests that genetic engineering of bacteria could facilitate the production of propane on a commercial scale, potentially opening up new ways of creating biofuels outside of agriculture.
Japanese electronics company unveils self-balancing miniature robot cheerleaders.
London has knocked Hong Kong off the top spot as the world's most expensive city to live and work in. But there are pros and cons to being number one.
Israeli firm Brenmiller Energy aims to solve the conundrum of producing solar power at night with a new energy storage system that it says is an alternative to other solar technologies and will help provide clean electricity at a competitive price.
Ethiopia has introduced a program to improve food security that combines scientific knowledge with local know how, as new community-based seed banks and training centres try to help farmers meet their basic needs and increase agricultural output.