How does a sandwich taste on Mars?

Pretty much the same as it tastes on earth, scientists believe. But in those clues may be the answer to feeding future generations of astronauts living and working on Mars.

Molecular biologist Robert Ferl of the University of Florida and colleagues studied wheat seeds descended from plants that flew on the Russian Mir space station. The progenitor plants were in space for 167 days in 1991. When they were brought back to Earth, the plants gave rise to viable offspring seeds.

Read the full story at Space.com.