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New tools filter noise from evolution data

While rates of evolution have appeared to accelerate over short time periods, new analysis suggests that statistical noise is affecting the data patterns. A professor at the University of Tennessee, Knoxville, and his colleague ...

'Genetic time machine' reveals complex chimpanzee cultures

In recent decades, scientists have clearly demonstrated that chimpanzees, like humans, pass on complex cultures such as tool use from generation to generation. But human culture has become vastly more sophisticated, from ...

How humans evolved to be 'energetically unique'

Humans, it turns out, possess much higher metabolic rates than other mammals, including our close relatives, apes and chimpanzees, finds a Harvard study. Having both high resting and active metabolism, researchers say, enabled ...

How brain evolution is linked to the use of tools

Researchers led by Dr. Alexandros Karakostis from the Institute for Archaeological Science and the Senckenberg Center for Human Evolution and Palaeoenvironment at the University of Tübingen suggest that changes in the brain ...

New fossil reveals the evolution of flying reptiles

The pterosaurs are extinct flying reptiles that lived alongside their close relatives, the dinosaurs. The largest of these reached 10 m in wingspan, but early forms were generally limited to around 2 m. In a paper, a team ...

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Evolution
Study links relative brain volume to temperament in diverse dog breeds
Evolution
Genes of ancient animal relatives used to grow a mouse: Study reveals hidden history of stem cells
Evolution
3D virtual skulls study maps missing piece of brain evolution
Evolution
Q&A: Holobiont biology, a new concept for exploring how microbiome shapes evolution of visible life
Evolution
Genetic legacy of Jomon hunter-gatherers linked to increased BMI in modern Japanese populations
Evolution
Fossil teeth suggest a long childhood is the prelude to the evolution of a large brain
Evolution
Bird brain from the age of dinosaurs reveals roots of avian intelligence
Evolution
How did the division of labor emerge in animals and humans? Little-known organisms hold clues
Evolution
Particle accelerator helps discover new fossil species of coelacanth
Evolution
Ouch! Study investigates pain vocalizations and interjections across 131 languages
Evolution
Hypercarnivores study reveals unique adaptations of jaw function and tooth wear
Evolution
Unexpected differences in genetically identical bacteria provide a new perspective on aging at the cellular level
Evolution
New insights into the Denisovans—the hominin group that interbred with modern day humans
Evolution
Plants and animals with bigger genomes grow less efficiently—new research helps explain why they never died out
Evolution
Insect-killing fungi find unexpected harmony in war
Evolution
Evolutionary anthropologist presents hypothesis about why humans are dominating the world over other animals
Evolution
Symmetry in biology: A look into how bees actively organize nests in mirroring patterns
Plants & Animals
Researchers discover genetic reason for the red, yellow and orange bills of Australian finches
Evolution
How do brains coordinate activity? From fruit flies to monkeys, scientists discover a universal principle
Evolution
The rise of color vision in animals: Study maps dramatic 100-million-year explosion in color signals

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Astronomy
AI and astronomy: Neural networks simulate solar observations
Condensed Matter
Spin-powered crystals dramatically improve water splitting process for clean hydrogen production
Condensed Matter
X-ray diffraction enables measurement of in-situ ablation depth in aluminum
Astronomy
Astronomers measure cosmic electrons at the highest energies to date
Social Sciences
Family matters: Living near relatives makes us heroic and harsh
Planetary Sciences
Uranus's swaying moons could help spacecraft seek out hidden oceans
Cell & Microbiology
Keeping a cell's nucleolus compact may be key to fighting aging
Ecology
Fossil amphibians found in burrows where they waited for the next rainy season
Earth Sciences
New model can predict marine heat waves, extreme ocean acidity months in advance
Plants & Animals
Mathematical modeling reveals the explosive secret of the squirting cucumber
Molecular & Computational biology
Framework uncovers what makes large numbers of 'squishy' grains start flowing in biological processes
Planetary Sciences
Planetary scientist proposes an alternative theory for what lies beneath the surfaces of Uranus and Neptune
Cell & Microbiology
New mechanism in bacterial DNA enzyme opens pathways for antibiotic development
Astronomy
Sombrero Galaxy dazzles in new Webb images and video
Earth Sciences
New AI tool generates realistic satellite images of future flooding
Astronomy
Astronomers discover a rare group of dwarf galaxies
Cell & Microbiology
Cyanobacterial circadian clock uses an AM radio-like mechanism to control cellular processes
Astronomy
XRISM mission looks deeply into 'hidden' stellar system
Astronomy
Record-breaking run on Frontier sets new bar for simulating the universe in exascale era
Archaeology
Oldest US firearm unearthed in Arizona, a bronze cannon linked to Coronado expedition