Strange fossil solves giraffe evolutionary mystery

Fossils of a strange early giraffoid have revealed the key driving forces in giraffe evolution, according to a study led by researchers from the Institute of Vertebrate Paleontology and Paleoanthropology (IVPP) of the Chinese ...

How electric fish were able to evolve electric organs

Electric organs help electric fish, such as the electric eel, do all sorts of amazing things: They send and receive signals that are akin to bird songs, helping them to recognize other electric fish by species, sex and even ...

An arms race that plays out in a single genome

Biological arms races are commonplace in nature. Cheetahs, for example, have evolved a sleek body form that lends itself to rapid running, enabling them to feast upon similarly speedy gazelles, the fastest of which may evade ...

Male wolf spiders get luckier following complex courtships

Some male wolf spiders seem to get luckier than others when it comes to courting females. The secret of their courtship? It's complicated, says a new study led by the University of Nebraska–Lincoln.

What guppy guts can teach us about evolution

On the list of scientific tools that help us understand health, evolution or the environment, the Trinidadian guppy doesn't often come to mind.

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