In the Aug. 19 SN: Bulletins from the tick wars, roots of Rwandan genocide, spin-resistant spiders, making mums blue, tardigrade saga continues, HIV antibodies from cows, Maxwell’s demon aces memory test and more.
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
MOUSE SEE, MOUSE ITCH Like people, mice experience sudden itches after seeing other mice scratch — a boon for studying the neuroscience of contagious behaviors.
Diana Bautista/UC Berkeley
WHAT’S IN YOUR EAR? Studying earwax (sample below the type of animal donor species) might inspire new ways to reduce dust buildup.
Top row, left to right: David DeHetre/Flickr (CC BY 2.0); Dan Belanescu/Flickr (CC BY 2.0); Rob Wells/Flickr (CC BY-SA 2.0); Marit & Toomas Hinnosaar/Flickr (CC BY 2.0); bottom row: A. Noel, Z. Zachow and D. Hu/Georgia Tech