More from Bob Holmes
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Review: Pet Food Politics: The chihuahua in the coal mine by Marion Nestle
Books & Arts
Life
How snakes got their fangs
News
Earth
Mongrel fish is a mixture of three species
News
Health
Overactive bladders play with the mind
News
Life
Cracking the mysteries of bird migration
Features
Earth
Alien fish creates three-way hybrid
News
Earth
Plankton turn tropical Atlantic into a huge carbon sink
News
Life
How bats made the leap from gliding to flying
News
Earth
Rainforests get a climate boost from UK grassland
News
Life
Shaking up the bird family tree
News
Humans
Disgust comes in three revolting flavours
News
Life
Bird evolutionary tree given a shake by DNA study
News