Anthropology: General Biology: General Ecology: Animals Ecology: Endangered Species Ecology: Extinction Ecology: Nature Paleontology: Climate Paleontology: Early Mammals and Birds Paleontology: General
Published

The evidence is mounting: humans were responsible for the extinction of large mammals      (via sciencedaily.com)     Original source 

Human hunting, not climate change, played a decisive role in the extinction of large mammals over the last 50,000 years. This conclusion comes from researchers who reviewed over 300 scientific articles from many different fields of research.

Chemistry: Biochemistry Computer Science: Virtual Reality (VR) Energy: Technology Engineering: Nanotechnology Offbeat: Computers and Math Offbeat: General
Published

Soft, stretchy electrode simulates touch sensations using electrical signals      (via sciencedaily.com)     Original source 

A team of researchers has developed a soft, stretchy electronic device capable of simulating the feeling of pressure or vibration when worn on the skin. This device represents a step towards creating haptic technologies that can reproduce a more varied and realistic range of touch sensations for applications such as virtual reality, medical prosthetics and wearable technology.

Biology: Biochemistry Biology: Cell Biology Biology: Evolutionary Biology: General Biology: Genetics Ecology: Endangered Species Ecology: Extinction Offbeat: General Offbeat: Paleontology and Archeology Offbeat: Plants and Animals Paleontology: Early Mammals and Birds Paleontology: General
Published

Last surviving woolly mammoths were inbred but not doomed to extinction      (via sciencedaily.com)     Original source 

The last population of woolly mammoths was isolated on Wrangel Island off the coast of Siberia 10,000 years ago, when sea levels rose and cut the mountainous island off from the mainland. A new genomic analysis reveals that the isolated mammoths, who lived on the island for the subsequent 6,000 years, originated from at most 8 individuals but grew to 200--300 individuals within 20 generations. The researchers report that the Wrangel Island mammoths' genomes showed signs of inbreeding and low genetic diversity but not to the extent that it can explain their ultimate (and mysterious) extinction.

Biology: General Biology: Marine Ecology: Sea Life Offbeat: General Offbeat: Paleontology and Archeology Offbeat: Plants and Animals Paleontology: Fossils Paleontology: General
Published

Prehistoric 'Pompeii' discovered: Most pristine trilobite fossils ever found shake up scientific understanding of the long extinct group      (via sciencedaily.com)     Original source 

Researchers have described some of the best-preserved three-dimensional trilobite fossils ever discovered. The fossils, which are more than 500 million years old, were collected in the High Atlas of Morocco and are being referred to by scientists as 'Pompeii' trilobites due to their remarkable preservation in ash.

Anthropology: General Biology: General Biology: Marine Biology: Microbiology Ecology: Nature Ecology: Sea Life Geoscience: Earth Science Geoscience: Geology Paleontology: Fossils Paleontology: General
Published

Why the harsh Snowball Earth kick-started our earliest multicellular ancestors      (via sciencedaily.com)     Original source 

Why did multicellularity arise? Solving that mystery may help pinpoint life on other planets and explain the vast diversity and complexity seen on Earth today, from sea sponges to redwoods to human society. A new article shows how specific physical conditions -- especially ocean viscosity and resource deprivation -- during the global glaciation period known as Snowball Earth could have driven eukaryotes to turn multicellular.

Geoscience: Earth Science Offbeat: Earth and Climate Offbeat: General Offbeat: Paleontology and Archeology Offbeat: Space Paleontology: Climate Paleontology: General Space: General Space: Structures and Features Space: The Solar System
Published

Shocked quartz reveals evidence of historical cosmic airburst      (via sciencedaily.com)     Original source 

Researchers continue to expand the case for the Younger Dryas Impact hypothesis. The idea proposes that a fragmented comet smashed into the Earth's atmosphere 12,800 years ago, causing a widespread climatic shift that, among other things, led to the abrupt reversal of the Earth's warming trend and into an anomalous near-glacial period called the Younger Dryas.

Chemistry: Biochemistry Computer Science: Artificial Intelligence (AI) Computer Science: Virtual Reality (VR) Mathematics: Modeling Offbeat: Computers and Math Offbeat: General
Published

Prying open the AI black box      (via sciencedaily.com)     Original source 

Meet SQUID, a new computational tool. Compared with other genomic AI models, SQUID is more consistent, reduces background noise, and can yield better predictions regarding critical mutations. The new system aims to bring scientists closer to their findings' true medical implications.

Anthropology: General Biology: Evolutionary Biology: Marine Biology: Zoology Ecology: Extinction Ecology: Sea Life Offbeat: General Offbeat: Paleontology and Archeology Offbeat: Plants and Animals Paleontology: Dinosaurs Paleontology: Fossils Paleontology: General
Published

Ancient polar sea reptile fossil is oldest ever found in Southern Hemisphere      (via sciencedaily.com)     Original source 

An international team of scientists has identified the oldest fossil of a sea-going reptile from the Southern Hemisphere -- a nothosaur vertebra found on New Zealand's South Island. 246 million years ago, at the beginning of the Age of Dinosaurs, New Zealand was located on the southern polar coast of a vast super-ocean called Panthalassa. 'The nothosaur found in New Zealand is over 40 million years older than the previously oldest known sauropterygian fossils from the Southern Hemisphere.

Anthropology: Early Humans Biology: Biochemistry Biology: General Biology: Zoology Ecology: Nature Paleontology: General
Published

Early Homo sapiens facilitated the establishment of the Bonelli's eagle in the Mediterranean 50,000 years ago      (via sciencedaily.com)     Original source 

Scientists have unraveled the ancestral history of one of the most iconic birds of prey in the current Iberian fauna: the Bonelli's eagle (Aquila fasciata). The study combines evidence from several disciplines, including palaeontology, genetics and ecology, to answer questions about when and why the Bonelli's eagle, a species primarily found in tropical and subtropical areas, colonized the Mediterranean Basin.

Biology: General Ecology: Extinction Ecology: Nature Ecology: Research Ecology: Sea Life Offbeat: General Offbeat: Paleontology and Archeology Offbeat: Plants and Animals Paleontology: Fossils Paleontology: General
Published

Sharks have depleted functional diversity compared to the last 66 million years      (via sciencedaily.com)     Original source 

New research has found that sharks retained high levels of functional diversity for most of the last 66 million years, before steadily declining over the last 10 million years to its lowest value in the present day.

Environmental: General Environmental: Water Geoscience: Earth Science Geoscience: Environmental Issues Geoscience: Geochemistry Geoscience: Geography Geoscience: Oceanography Paleontology: Climate Paleontology: Fossils Paleontology: General
Published

Ancient ocean slowdown warns of future climate chaos      (via sciencedaily.com)     Original source 

When it comes to the ocean's response to global warming, we're not in entirely uncharted waters. A new study shows that episodes of extreme heat in Earth's past caused the exchange of waters from the surface to the deep ocean to decline.

Biology: General Biology: Marine Biology: Zoology Ecology: Sea Life Offbeat: General Offbeat: Paleontology and Archeology Offbeat: Plants and Animals Paleontology: Fossils Paleontology: General
Published

No bones about it: 100-million-year-old bones reveal new species of pterosaur      (via sciencedaily.com)     Original source 

New research has identified 100-million-year-old fossilized bones discovered in western Queensland as belonging to a newly identified species of pterosaur, which was a formidable flying reptile that lived among the dinosaurs.

Computer Science: Artificial Intelligence (AI) Computer Science: Virtual Reality (VR)
Published

Female AI 'teammate' generates more participation from women      (via sciencedaily.com)     Original source 

An artificial intelligence-powered virtual teammate with a female voice boosts participation and productivity among women on teams dominated by men, according to new research.

Computer Science: Virtual Reality (VR)
Published

Virtual reality as a reliable shooting performance-tracking tool      (via sciencedaily.com)     Original source 

Virtual reality technology can do more than teach weaponry skills in law enforcement and military personnel, a new study suggests: It can accurately record shooting performance and reliably track individuals' progress over time.

Biology: Biochemistry Chemistry: Biochemistry Computer Science: Artificial Intelligence (AI) Computer Science: Virtual Reality (VR) Engineering: Robotics Research
Published

Researchers create realistic virtual rodent      (via sciencedaily.com)     Original source 

To help probe the mystery of how brains control movement, scientists have created a virtual rat with an artificial brain that can move around just like a real rodent. The researchers found that activations in the virtual control network accurately predicted neural activity measured from the brains of real rats producing the same behaviors.