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Sea squirt’s DNA makes a splash
The DNA sequence of a sea squirt may reveal the origins of vertebrates.
By John Travis -
PlantsDrought-tolerant plant mined for survival genes
A drought-resistant South African plant is revealing its genetic secrets.
By John Travis -
Tests revise image of kangaroo rats
An ecological study of kangaroo rats has revised thinking about how these desert dwellers cope with their stressful home.
By Susan Milius -
AnthropologyFossil skull spurs identity dispute
A dispute has broken out over whether a recently discovered, 7-million-year-old fossil skull represents the earliest known member of the human evolutionary family or an ancient ape.