News
Explore the most exciting new ideas and emerging concepts in science, health, technology and the environment with 91av’s exclusive in-depth articles, interviews and long reads.
Life
Rats fooled by optical illusion may shed light on evolution of the eye
The Asahi illusion tricks us into believing it is brighter than it really is, to the extent that our pupils constrict. Now it seems the illusion also works on rats
News
