Category Archives: seeing, hearing

Idea of lenses abandoned

Brittle star senses light with network of photosensitive cells A network of thousands of photosensitive cells allows brittle stars to detect dark places where they can hide from predators, Lauren Sumner-Rooney and colleagues write. No lenses are involved, as has … Continue reading

Posted in seeing, hearing | Comments Off on Idea of lenses abandoned

Alternative imaging

Scallops see thanks to hundreds of tiny mirrors If a potential predator is in sight, a scallop moves away. It sees the danger with special eyes, which don’t use a lens for image formation, but a concave mirror instead. Benjamin … Continue reading

Posted in seeing, hearing | Comments Off on Alternative imaging

Cleansing hair

Honey bee rubs her eyes after visiting a flower A busy bee gets dirty: she gets covered with the pollen of flowers. But within minutes she has cleaned herself after visiting a flower, as Guillermo Amador and colleagues report, thanks … Continue reading

Posted in pollination, seeing, hearing | Comments Off on Cleansing hair

Cockeyed

Strawberry squid looks upwards with a bulging eye Light is scarce in the mesopelagic region of the deep sea, which asks for special adaptations of the eyes of the animals that live there. Squids of the family Histioteuthidae addressed this … Continue reading

Posted in seeing, hearing | Comments Off on Cockeyed