“The periodic region plays a crucial role in selectively filtering out high-frequency shear waves, which are particularly ...

Sometimes the mimicry is not visual but auditory, as in some harmless flies that emit a sound just ... the predator attacks its prey. The praying mantis that has evolved a flat, triangular shape ...

For decades scientists assumed these insects looked so much like orchids as a form of camouflage. But they were wrong. They ...