Rabbit or duck, it’s all in the eyes. Wikimedia

Animals could help reveal why humans fall for illusions

Visual illusions, such as the rabbit-duck (shown above) and café wall (shown below) are fascinating because they remind us of the discrepancy between perception and reality. But our knowledge of such illusions…
Rainbowfish embryos – at only four days old – can smell predators such as goldfish. Benson Kua

The nose knows: rainbowfish embryos ‘sniff out’ predators

Rainbowfish embryos, as young as only four days after fertilisation, are able to smell potential predatory threats, a new study by Australian researchers has found. Published today, the findings show these…
How and why have the colour patterns of coral reef fish changed over time? David Cook

Dazzling or deceptive? The markings of coral reef fish

Have you ever wondered why coral reef fishes are so brilliantly coloured and bizarrely patterned? A quick flick through any coral reef fish guide will leave you bewildered and awed. To answer this question…

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