Schott, who studies the visual system of vertebrates in his lab located at York's Keele Campus, has previously looked at vision changes of southern leopard frogs ... up in the night by a predator ...
YOU could have a high IQ if you can spot the hidden frog in time. Players will have just 12 seconds to see past the leaves and figure out this tricky optical illusion. This image shows a sea of ...
Look closer at the leaves. Maybe the frog is disguising colors or hiding behind some of the branches. If you spotted the frog in time, congratulations! You have shown great concentration and an ...