Independent evolutionary origins of vertebrate dentitions
The origins of a pretty smile have long been sought in the fearsome jaws of living sharks which have been considered living fossils reflecting the ancestral condition for vertebrate tooth development and inference of its evolution. However, this view.....»»
Evolutionary anthropologist presents hypothesis about why humans are dominating the world over other animals
Why is human culture—the shared body of knowledge passed down across generations—so much more powerful than animal cultures?.....»»
Mysterious Sydney beach blobs: Scientists uncover their complex composition
A multi-disciplinary team of scientists have made significant progress in understanding the origins of the mysterious black balls washing ashore on Sydney beaches......»»
Mighty radio bursts linked to massive galaxies: New clues about how magnetars form
Since their discovery in 2007, fast radio bursts—extremely energetic pulses of radio-frequency light—have lit up the sky repeatedly, leading astronomers on a chase to uncover their origins. Currently, confirmed fast radio bursts, or FRBs, number.....»»
Asteroid grains shed light on the outer solar system"s origins
Tiny grains from a distant asteroid are revealing clues to the magnetic forces that shaped the far reaches of the solar system more than 4.6 billion years ago......»»
Conspicuous consumption may have evolutionary roots, researchers suggest
It's sometimes said that people buy products they don't really need, with money they don't really have, to impress people they don't really like. This behavior is known as conspicuous consumption because these consumers want others to see them with t.....»»
Cracking the code to copper"s fiery origins
An international study, including researchers from The University of Western Australia, has unveiled new pathways to future copper deposits by cracking the code to the metal's origins, a discovery that could reshape the future of copper mining and he.....»»
Designs on ancient stone cylinders correspond to origin of writing in Mesopotamia, researchers discover
The origins of writing in Mesopotamia lie in the images imprinted by ancient cylinder seals on clay tablets and other artifacts. A research group from the University of Bologna has identified a series of correlations between the designs engraved on t.....»»
Tracing the journey from Egyptian cat mummies to modern house pets
EU researchers are testing DNA from archaeological cat remains to help unravel the tale of cat domestication. It probably will not surprise cat owners, familiar with the enigmatic and independent nature of their beloved pets, to know that scientists.....»»
Mathematical model illuminates how the environment impacts life choices of salmon
Researchers from Tokyo Metropolitan University have created a mathematical model that models how the evolutionary strategies of organisms are affected by the environment. They studied salmonid fishes which choose either to migrate to the sea then ret.....»»
Fossil of huge terror bird offers new information about wildlife in South America 12 million years ago
Researchers including a Johns Hopkins University evolutionary biologist report they have analyzed a fossil of an extinct giant meat-eating bird—which they say could be the largest known member of its kind—providing new information about animal li.....»»
A comparison of bat and bird wings reveals their evolutionary paths are vastly different
Bats are incredibly diverse animals: They can climb onto other animals to drink their blood, pluck insects from leaves or hover to drink nectar from tropical flowers, all of which require distinctive wing designs......»»
New insights into mango evolution: Study reveals extensive hybridization within the Mangifera genus
A research team investigated whole chloroplast genomes and nuclear gene sequences from 14 species, uncovering new insights into the genetic diversity and hybrid origins of mango species. They used the evolutionary relationships within the Mangifera g.....»»
First images from prequel series It: Welcome to Derry preview origins of Pennywise
Check out the first images from It: Welcome to Derry, HBO's upcoming It prequel series featuring the return of Pennywise......»»
Machine-learning analysis tracks the evolution of 16th-century European astronomical thought
A team of computer scientists, astronomers and historians in Berlin has used machine-learning applications to learn more about the evolutionary history of European astronomical thought in the 15th and 16th centuries. In their study published in the j.....»»
Research reveals delayed evolutionary origin of Asteriidae sea stars
A study published in PeerJ has reshaped our understanding of the evolutionary history of sea stars, particularly the family Asteriidae. The study, titled "Phylogenetic and taxonomic revisions of Jurassic sea stars support a delayed evolutionary origi.....»»
Prolonged brain development of marmosets could serve as model for human evolution
The development of primate brains is shaped by various inputs. However, these inputs differ between independent breeders, such as great apes, and cooperative breeders, such as the common marmoset (Callithrix jacchus) and humans. In these species, gro.....»»
Rising partisanship is making nonprofits more reluctant to engage in policy debates, research finds
Afraid of partisan rancor, nonprofits are biting their tongues, with divisive politics hindering public policy engagement by social service organizations. This is one of our findings in a new study we conducted on behalf of Independent Sector—a coa.....»»
Less than 7 mm in length, this Atlantic Rainforest flea toad is the second-smallest vertebrate described in the world
Flea toads, as some species in the genus Brachycephalus are known, are less than 1 cm long in adulthood. Their size is far smaller than a fingernail......»»
A next-generation catalog of cultivated bananas
A new research paper presents a cutting-edge catalog of banana diversity, utilizing innovative genomic techniques to trace the ancestral origins of various banana cultivars. The study involved collaboration between multiple institutions, and includes.....»»
Where did kissing come from? Study introduces the "groomer"s final kiss hypothesis"
A team at the University of Warwick is suggesting that human kissing evolved from grooming behaviors observed in ancestral great apes. In a study, "The Evolutionary Origin of Human Kissing," published in Evolutionary Anthropology, the researchers int.....»»