Image gallery Why is the world marching for science? A global March for Science was held in more than 600 cities. This gallery highlights scenes from Africa, Asia, Latin America, the USA and the UK. Agriculture Can we close the hunger cycle with water? World Malaria Day Malaria prevention works Infographic inside! Sugar cane discovery Scientists in Brazil are taking steps towards genetically modifying sugar cane so it produces more sucrose naturally. Multimedia: 26/04/17 March for Science: Photos from around the world Thousands of people around the world marched for science. Here is a round up of photos from Malawi to San Francisco. Communication Influencing Networks Cities Education News: 24/04/17 Tackle NTDs with innovation, but not just from science Experience from communities and educators needs to be combined with scientific tools, global meeting hears. Disease Health Innovation R&D Enterprise Opinion: 24/04/17 Water is key to ending Africa’s chronic hunger cycle For Africa to end chronic hunger, governments must invest in sustainable water supplies, writes Esther Ngumbi. Water Governance Disasters Farming Agriculture News: 20/04/17 Genetics to boost sugarcane production Brazilian researchers have identified genes that prolong harvest by helping sugar cane store more sucrose. Agriculture Food security GM R&D Water and power: Mega-dams, mega-damage? From the Amazon to the Mekong, hydropower projects risk impacts on people and environment for low-carbon energy. Leave no child behind: Moving the agenda forward Progress has been made protecting children around the world, but how can we continue this trend, as well as assess children under the radar? How to advance your career in science How do you get on the right path in your scientific career? Here we’ve distilled advice and tips from researchers. Bhutan’s quest for alternative energy Shrinking glaciers and a changing economy are forcing the Bhutanese to question their dependence on hydropower. Mapping trachoma to eliminate blindness Explore how a huge project targeting this infectious eye condition has set the standard for surveying disease.