Most animals, including humans, have bilateral symmetry, which means our bodies are pretty symmetrical. At least on the ...
With bloated bellies and hairy legs, female flies try to look bigger to get food from courting mates. But male flies, in turn ...
A few fossilized body parts hinted at an enigmatic bird's close ties to waterfowl like ducks and geese. A newfound skull may bolster that idea.
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