All Stories by Sophie Hartley
- Archaeology
The world’s oldest cheese is now revealing some of its secrets
A DNA analysis of the kefir cheese, first found about 20 years ago on 3,600-year-old mummies in China, confirms its age and pinpoints its origins.
- Agriculture
‘Smart lighting’ might make vertical farming more affordable
A new computer program adjusts grow lights to cut down on electric bills without sacrificing photosynthesis.
