Will you be tucking in? Food scientists looking for alternatives to real meat are experimenting with flavours that people have not tasted within living memory, if ever.
On the menu: dodo steak and unicorn chops
Mythical meals: The Ancient Greeks warned that the unicorn's meat tasted bitter. Glossary
Woolly mammoth - Its closest living relative is the Asian elephant. The last population lived on Wrangel Island in the Arctic Ocean.
Bioengineering - Also known as genetic engineering.
Stem cells - Unspecialised cells that have the ability to develop into different types of cell.