Genetic switch offers clue to why grasses are survival masters
Cooperation among stomata cells means the plants can respond quickly to change
![Brachypodium distachyon](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2017/03/031717_lh_stomata_main.jpg?fit=860%2C460&ssl=1)
STOMATA SUPERSTARS Scientists have gained new insight into why grasses like Brachypodium distachyon have extra-efficient stomata, adjustable pores on leaves that help regulate the exchange of water and gases between a leaf and the outside world.
Samuel Hazen/Univ. of Massachusetts Amherst