Will you be tucking in? Eating meat is bad for the planet, say activists. Now, food scientists are looking for other options. Some of them have never been tasted before.
On the menu: dodo steak and unicorn chops

Glossary
Dodo - First documented in 1599 on the island of Mauritius in the Indian Ocean. It was a relative of the pigeon, but with no natural predators, they evolved into giants and lost the ability to fly.
Environment - The natural world.
Laboratory - A room for scientific experiments or research.
Extinct - A species that no longer has any living members.
Genes - Sections of DNA strands that act as a kind of instruction manual for a human being. There is still a great deal we do not understand about how they work.
Woolly mammoth - Its closest living relative is the Asian elephant. The last population lived on Wrangel Island in the Arctic Ocean.