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Life

Scientists bag frog genome

Lab favorite arrives relatively late to the genetic revolution.

Physics

Reverse engineering a quantum compass

Physicists propose a method that could explain how birds’ magnetic-sensing organs work.

Animals

Aphids make their own bright colors

The insects’ ancestors adapted fungal DNA for manufacturing vital compounds.

Space

Measuring the weakest of forces

Precise measurements could be used to map tiny fluctuations in the surface properties of materials.

Space

Mediterranean microfossils offer hope for finding life on Mars

A discovery in sulfate minerals on Earth suggests the possibility of similar signs of life on the Red Planet.