Novel motion simulator reveals key role of airflow in rodent navigation

With the assistance of a novel motion simulator, researchers at Bar-Ilan University in Israel have discovered that rats rely on airflow to navigate their surroundings. When they move, the flow of air relative to their bodies provides crucial information, complementary to their sense of balance, to perceive their own motion in space. This might explain their agility in the dark as they scurry through pipes and tunnels, turn corners, and effortlessly travel from one location to another, all while knowing exactly where they’re headed.

Good smells, bad smells: It’s all in the insect brain

Everyone has scents that naturally appeal to them, such as vanilla or coffee, and scents that don’t appeal. What makes some smells appealing and others not? Researchers studied the behavior of the locusts and how the neurons in their brains responded to appealing and unappealing odors to learn more about how the brain encodes for preferences and how it learns.