The substance could be used as a coating on pavements or buildings to eliminate many forms of air pollution.

Shisalanga Construction uses high-density polyethene, a thick plastic that is turned into pellets at a local recycling plant.

IoT experts AmbaSense created build-and-code kits for solar-powered Sprite satellites that can be purchased in various stages of completion.

With the ExoLung, diver’s swimming motions pull dry air from the surface, keeping breathing air flowing as long as the diver keeps swimming.

The guidance system uses readily available satellite observation data to plot the swiftest, safest ocean travel route.

Japanese scientists developed what they call a bulk acoustic wave (BAW) system, which uses piezo vibrations to remove microplastic-laden wastewater from washing machines.

The new tech is inexpensive, uses biodegradable materials, and has the potential to create clothing with the power to charge a mobile phone or generate light.

The solar-powered device allows researchers to ‘call’ a frog habitat where the device has been installed.

Aria is a portable capsule that helps doctors to quickly and easily check for signs of malaria in a blood sample.

Easy and quick to fit, the lightweight mesh hardens in minutes and is available in almost any colour.

Researchers tested acoustic enrichment on parts of Australia’s devastated Great Barrier Reef.

A simple addition to the traditional bednet design helps communities avoid malaria from insecticide-resistant mosquitoes.