Early birds had four wings, not two, study reports
Some primitive birds boasted four wings, before evolution led them to ditch their hind feathers in favor of webbed or scaly feet, scientists in China said on Thursday.
Strange phallus-shaped creature provides crucial missing link: Discovery pushes fossil record back 200 million years
Christopher Cameron of the University of Montreal's Department of Biological Sciences and his colleagues have unearthed a major scientific discovery - a strange phallus-shaped creature they found in Canada's ...
Even ancient mummies had clogged arteries, study shows
Even without modern-day temptations like fast food or cigarettes, people had clogged arteries some 4,000 years ago, according to the biggest-ever hunt for the condition in mummies.
Researchers develop algorithm to maximize friendship acceptance by strangers on social networks
Shipwreck find could be legendary 'sunstone'
An oblong crystal found in the wreck of a 16th-century English warship is a sunstone, a near-mythical navigational aid said to have been used by Viking mariners, researchers said on Wednesday.
Fermat's Last Theorem, more can be proved more simply: Professor steers field toward a numbers-only proof
Fermat's Last Theorem—the idea that a certain simple equation had no solutions— went unsolved for nearly 350 years until Oxford mathematician Andrew Wiles created a proof in 1995. Now, Case Western Reserve University's ...
Feeding limbs and nervous system of one of Earth's earliest animals discovered
An extraordinary find allowing scientists to see through the head of the 'fuxianhuiid' arthropod has revealed one of the earliest evolutionary examples of limbs used for feeding, along with the oldest nervous ...
Researchers find maize in diets of people in coastal Peru dates to 5,000 years ago
For decades, archaeologists have struggled with understanding the emergence of a distinct South American civilization during the Late Archaic period (3000-1800 B.C.) in Peru. One of the persistent questions ...
Researchers find Jurassic strashilids not a parasite after all
Farming arrived in Europe with migrants, isotopic data show
For decades, archaeologists have debated how farming spread to Stone Age Europe, setting the stage for the rise of Western civilization.
Placental mammal diversity exploded after age of dinosaurs
An international team of researchers has reconstructed the common ancestor of placental mammals—an extremely diverse group including animals ranging from rodents to whales to humans—using the world's ...
Study shows cultural flow may be slower than genetic divergence
University professor discovers largest prime number to date
(Phys.org)—Curtis Cooper, professor of math and computer science at the University of Central Missouri, has discovered the largest prime number to date, it's 257,885,161 – 1. It has 17 million digits and is also a Mersenne prime (a prime number defined by the equation N=2n-1, ...
New study suggests Neanderthals died out earlier, did not coexist with modern humans
Theories about when the last Neanderthals walked the Earth may have to be revised, according to a study that suggests they became extinct in their last refuge in Spain much earlier than previously thought.