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ScienceDaily: Fossils & Ruins News |
Phylogenetic analysis forces rethink of termite evolution Posted: 17 Oct 2019 11:10 AM PDT Despite their important ecological role as decomposers, termites are often overlooked in research. Evolutionary biologists have constructed a new family tree for this unassuming insect brood, shedding unexpected light on its evolutionary history. |
Newly discovered microbes band together, 'flip out' Posted: 17 Oct 2019 11:10 AM PDT Scientists have found a new species of choanoflagellate. This close relative of animals forms sheets of cells that 'flip' inside-out in response to light, alternating between a cup-shaped feeding form and a ball-like swimming form. The organism could offer clues about animals' early evolution. |
An evolution in the understanding of evolution Posted: 17 Oct 2019 10:57 AM PDT An engineering professor and her former Ph.D. student share a new, more accurate method for modeling evolutionary change. |
Industrial melanism linked to same gene in 3 moth species Posted: 17 Oct 2019 10:14 AM PDT The rise of dark forms of many species of moth in heavily polluted areas of 19th and 20th century Britain, known as industrial melanism, was a highly visible response to environmental change. But did the different species rely on the same gene to adapt? New research by the University of Liverpool reveals that three species of moth, including the famous peppered moth, indeed did. |
Fingerprints of Earth's original building blocks discovered in diamond-bearing rocks Posted: 17 Oct 2019 09:52 AM PDT Scientists have detected primordial chemical signatures preserved within modern kimberlites, according to new research. The results provide critical insight for understanding the formation of Earth. |
Paleontologists discover complete Saurornitholestes langstoni specimen Posted: 17 Oct 2019 09:52 AM PDT The discovery of a nearly complete dromaeosaurid Saurornitholestes langstoni specimen is providing critical information for the evolution of theropod dinosaurs, according to new research. |
Arthropods formed orderly lines 480 million years ago Posted: 17 Oct 2019 08:49 AM PDT Researchers studied fossilized Moroccan Ampyx trilobites, which lived 480 million years ago and showed that the trilobites had probably been buried in their positions -- all oriented in the same direction. Scientists deduced that these Ampyx processions may illustrate a kind of collective behavior adopted in response to cyclic environmental disturbances. |
What happens under the Yellowstone Volcano? Posted: 17 Oct 2019 08:17 AM PDT A recent study helps to better explain the processes in the Earth's interior beneath the Yellowstone supervolcano. |
Sexual selection alone could spark formation of new species Posted: 17 Oct 2019 07:12 AM PDT Because of imprinted preferences, strawberry poison frog females mate more with similar colored males, and less with differently colored males. Over time, the behavior could lead to two color types becoming separate species. |
Information theory as a forensics tool for investigating climate mysteries Posted: 17 Oct 2019 04:55 AM PDT During Earth's last glacial period, temperatures on the planet periodically spiked dramatically and rapidly. A new article suggests that mathematics from information theory could offer a powerful tool for analyzing and understanding these mysterious events. |
A secret in saliva: Food and germs helped humans evolve into unique member of great apes Posted: 16 Oct 2019 12:36 PM PDT Researchers discovered that the human diet -- a result of increased meat consumption, cooking and agriculture -- has led to stark differences in the saliva of humans compared to that of other primates. |
Scientists find early humans moved through Mediterranean earlier than believed Posted: 16 Oct 2019 12:36 PM PDT Scientists have unearthed new evidence in Greece proving that the island of Naxos was inhabited by Neanderthals and earlier humans at least 200,000 years ago, tens of thousands of years earlier than previously believed. |
Huge dinosaurs evolved different cooling systems to combat heat stroke Posted: 16 Oct 2019 12:36 PM PDT Different dinosaur groups independently evolved gigantic body sizes, but they all faced the same problems of overheating and damaging their brains. |
How human brain development diverged from that of great apes Posted: 16 Oct 2019 10:12 AM PDT Researchers present new insights into the development of the human brain and differences in this process compared to other great apes. The study reveals features of brain development that are unique to humans, and outlines how these processes have diverged from those in other primates. |
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