Earless moths have acoustic camouflage that protects them from bats

Earless moths have a special pattern on their wings for absorbing sound. It acts as protection from bats, which use echolocation to find their prey Source: https://www.newscientist.com/article/2260621-earless-moths-have-acoustic-camouflage-that-protects-them-from-bats/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home…

Mysterious evolution of wonky whale skulls

How we worked out when whales first evolved asymmetrical skulls. Source: https://earthsky.org/earth/whale-asymmetrical-skull-evolution…

Astronomers use ‘cosmic echolocation’ to map black hole surroundings

Material falling into a black hole casts X-rays out into space—and now astronomers have used the echoes of this radiation to map the dynamic behavior and surroundings of a black hole itself. Source: https://phys.org/news/2020-01-astronomers-cosmic-echolocation-black-hole.html…

Why are whales big, but not bigger?

How did whales that feed on tiny prey evolve into the largest creatures on Earth? And why don’t they get even bigger? Source: https://earthsky.org/earth/why-are-whales-big…

Night vision specialists: cats, bats, and owls

Three spooky Halloween animals see better at night than we do. Here’s how they do it. Source: https://earthsky.org/earth/night-vision-cats-bats-and-owls…