A circular buoy which includes two sleeves for the user's legs to reduce contact with water and to preserve body temperature.

Invented by doctor Donglei Fan, from the University of Texas it is a 3D-printed polyurethane By making use of the sunlight, it can achieve high-rate steaming with an 88% energy efficiency. 

Otherlab, a San Francisco-based engineering research and development lab, developed what it calls the world's most advanced industrial paper airplane. The cardboard gliders are made with a biodegradable material and equipped with GPS and other electronics, allowing them to be dropped by a plane and deliver two pounds of life-saving materials without needing to be retrieved. 

A growing body of research points to the beneficial effects that exposure to the natural world has on health, reducing stress and

The YOLK Solar Cow is helping to improve access to electricity and education in developing nations. Placed near schools, the solar charging system that literally looks like a cow has “power milk”—white, portable batteries—­that students can take home to their families. Around 500 kids took charged batteries home during pilot programs in Kenya and Tanzania. YOLK says the product will chip away at broader global inequality issues by providing energy to low-income families and encouraging them to send their children to school