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Diet, not social life, may be the driver of brain size evolution, a new study suggests. The findings call into question “the social brain hypothesis,” which argues that humans and other primates are big-brained because of their sociality. The findings, which...
Researchers have found evidence for natural selection’s role in the evolution of nose shape in people. They say the shape of someone’s nose and that of their parents was formed by a long process of adaptation to our local climate. “We are...
A giant gas planet—up to fifty times the mass of Jupiter, encircled by a ring of dust—is likely hurtling around a star more than a thousand light years away from Earth. Scientists identify that a large object regularly blocks the light...
The mosquitoes that spread malaria have a secondary set of odor sensors in their “nose” that seem specifically tuned to detect humans. A female mosquito follows whiffs of carbon dioxide exhaled by animals to locate potential prey. As she closes in...
Humans have created more than 8 billion metric tons of plastic since the large-scale production of synthetic materials began in the early 1950s, a new study suggests. The study provides the first global analysis of the production, use, and fate of...
Even though the English language hasn’t been subject to regulation or governing over the centuries, it has organized itself, say researchers. A study on the history and spelling of English suffixes demonstrates that the spelling of English words is more...
Male jumping spiders will try to court whomever, whenever, wherever, but choosing the wrong female can be deadly. For a new study, researchers documented the courting techniques of jumping spiders and discovered that male spiders spend a lot of time...
Scientists have made the first real-space images of exciton-polaritons, which are a combination of light and matter. The nano-image, explains Zhe Fei, shows the waves associated with one of these quasiparticles moving inside a semiconductor. “These are waves just like water...
Researchers have found that prehistoric dogs from Germany may have been genetic ancestors to modern European dogs. The finding suggests a single domestication event of modern dogs from a population of gray wolves that occurred between 20,000 and 40,000 years...
Try standing on one leg for any length of time and most of us would at least wobble. New research shows how flamingos bear all that weight for seemingly endless periods of time. “Anytime I go to the zoo, I...