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Recent Archives
Transitional Fossils
A listener asks: Have many transitional fossils showing evolutionary links between major groups of animals been found in the fossil record?
Conspicuous Camouflage
Scientists test whether predators really mistake the eyespots on the wings of some butterflies for real eyes.
Unique Genes
We inherited most of our genes from our evolutionary ancestors. But a small percentage of genes only occur in humans. Scientists are just starting to find out how they make us who we are.
Microcrystal Roundup
Tiny microcrystals can tell us about the geological history of continents, and they also affect the health of the planet.