A new disinfectant made from sawdust and water can knock out more than 99 percent of some disease-causing microbes. That makes the sawdust mix a potential alternative to current germ-killing chemicals.
Children across the school learnt about the dangers of plastic pollution and ways that we could use plastic in a positive way.
These flying robots protect endangered wildlife. Drones collect snot from whales, snap photos of rare monkeys, count penguins and more.
Newfound 'bambootula' spider lives inside bamboo stems, the only tarantula known to choose such a habitat.
How can we help bees and butterflies find flowers in polluted air.