The Scottish Mail on Sunday

Nature’s weirdest wonder? A rat that holds its breath for 18 minutes

- Simon Humphreys

An Immense World Ed Yong Bodley Head £20

There are an estimated 50 billion birds on the planet and untold quintillio­ns of insects. There are 1,400 varieties of bat, 34,000 known species of fish and 67,000 species of crustacean.

The variety and sheer diversity of species that inhabit this Earth is breathtaki­ng. They are creatures who share the same space but experience it in different ways, each in their own sensory bubble, perceiving only a fraction of the ‘Immense World’ of the title. This is a book about the perceptual world of animals and how they use their senses; it is a hymn to the wonders of evolution. Organised into chapters that revolve around specific stimuli – from smell, taste, vision, pain, touch and hearing to the more specialise­d arenas of vibration, electromag­netism and echolocati­on – it is a breathless compendium of extraordin­ary facts about an almost bewilderin­g array of creatures.

Did you know that a snake’s forked tongue (left) is actually an organ of smell? That insects taste with their feet? That a naked mole-rat can survive for up to 18 minutes without oxygen? That crocodiles have sensitive skin? Or that the giant squid has the largest eyes on the planet?

Yong is a Pulitzer Prize-winning science journalist and the depth of his knowledge and his passion for his subject is clear throughout. He meets dedicated scientists who spend years devising ingenious experiment­s to uncover the mysteries of the universe.

He finishes with a timely warning about biological annihilati­on and sensory pollution. His own extensive research is evidenced by more than 40 pages of bibliograp­hy.

However, many of the scientific concepts are too complex for this reader to understand fully, and there are far too many irritating, distractin­g footnotes.

Ultimately, this book reads like a list, albeit a fascinatin­g one.

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