Will COVID-19 become endemic like the flu, or can it be eliminated with vaccine-induced herd immunity? 

In this week's episode, RAZOR looks at the different potential scenarios for the global vaccine roll-out and what it means for the future of the pandemic.

The team also takes a deep dive into "metamaterials" – with which scientists are mimicking nature to breathe new life into state-of-the-art technology.

Shini Somara talks to Andres Arrieta, an engineer at Purdue University in the U.S., who is engineering inorganic materials that are designed to have a property not found in naturally occurring materials.

Find out how he's taking lessons from nature to help innovate in fields as diverse as architecture, aviation and robotics.