Comets, novas and the Mayans — Science News, June 30, 1973 Did the Mayans record novas and comets? … Comparing dates of known historic novas and comets with [20] Mayan dates, [a researcher] found no acceptable correlation. Nevertheless, [the researcher] believes that the Mayans probably did record such events and that a record will eventually […]
Glassy eyes may help young crustaceans hide from predators in plain sight
Fledgling crustaceans have eyes like the sea, a peculiarity that could help them hide from predators. Young shrimp, crab or lobster larvae already rock nearly translucent bodies to stay out of view. But dark eye pigments essential for vision pose the risk of exposing the animals anyway. Some see-through ocean animals rely on mirrored irises […]