Indian biologist Sathyabhama Das Biju and his team of scientitsts rediscovered a tree frog in India, which is believed to be extinct for more than a century.
Researchers from Duke University developed a way to make cancer cells glow during operation in order to increase the success rate of cancer surgery in patients.
Hackney Brewery in London created Toast Ale beer made out of surplus bread from bakeries, as part of food waste charity Feedback's project that deals with global food waste.