Start-up firms and researchers are working on lenses that can change their focus.
Big food firms are phasing out artificial colours, so tech firms are rushing to fill the gap.
Matching trucks with cargo has become digitised, adding efficiency, but driving down earnings.
Some packaging firms say aluminium could be used more widely in packaging, but cost may hold it back
New tech promises to dub film and TV into different languages without losing the quality of the performance.
The South American country is dealing with very high inflation ahead of its latest general election.
PFAS were once prized for their durability, but now firms are developing ways to destroy them.
Start-up firms have pilot plants for making steel with low carbon emissions, but can they scale up?