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A 62-million-year-old skeleton sheds light on an enigmatic mammal

For more than 140 years, Mixodectes pungens, a species of small mammal that inhabited western North America in the early Paleocene, was a mystery. What little was known about them had been mostly gleaned from analyzing fossilized ...

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Ecology
Ancient amphibians bounced back from Earth's greatest mass extinction by exploiting freshwater prey, study suggests
Evolution
Fossil study reveals oldest larval eyes with high-resolution vision
Paleontology & Fossils
Eocene mudflat fossils reveal ancient waterbird foraging behaviors and four new species
Paleontology & Fossils
When did our ancestors start to eat meat regularly? Fossilized teeth get us closer to the answer
Paleontology & Fossils
Digitization as the key to processing colonial natural history collections
Evolution
When birds lose the ability to fly, their bodies change faster than their feathers, scientists discover
Paleontology & Fossils
Utah dig site reveals increased diversity of fossilized eggshells
Evolution
Earliest evidence for humans in rainforests discovered
Paleontology & Fossils
How paleontologists are uncovering dinosaur behavior
Evolution
Humans have the earliest jawed fish to thank for their flexible joints, study suggests
Evolution
Discovery reveals giant flying squirrel once soared over Southern Appalachia
Evolution
Volcanic forces may have fueled early marine life, study suggests
Paleontology & Fossils
A 380-million-year-old fossil 'fish' from Scotland has been discovered in Australia
Paleontology & Fossils
New sauropod species from Romania transforms understanding of dinosaur island life in Europe
Evolution
The inner ear of Neanderthals reveals clues about their enigmatic origin
Paleontology & Fossils
The origin of feathers remains a mystery
Paleontology & Fossils
Carnivorous dinosaurs thrived in Australia 120 million years ago, new fossils show
Paleontology & Fossils
New Australian dinosaurs and the oldest megaraptorid fossils in the world
Ecology
Fossil study reveals that palm trees once thrived in subarctic Canada
Ecology
Fossils reveal rapid land recovery after end-Permian extinction around 252 million years ago

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Quantum Physics
D-Wave claims its quantum computers can solve a problem of scientific relevance much faster than classical methods
General Physics
Why does nature love spirals? The link to entropy
Optics & Photonics
Boosting the response speed of quantum LEDs via an excitation memory effect
Other
Saturday Citations: A baffling discovery from Webb; the face of an early human; humans and dogs like to chill together
Ecology
Study finds chain-link fences reduce predator attacks on livestock
Space Exploration
Crew launch to ISS paves way for 'stranded' astronauts' return
Evolution
Genomic study indicates our capacity for language emerged 135,000 years ago
Astrobiology
'Microlightning' in water droplets may have sparked life on Earth
Quantum Physics
Quantum entanglement wins: Researchers report quantum advantage in a simple cooperation game
Plants & Animals
How a rapidly growing population of crocs has been impacting Australia's Northern Territories ecosystem
Archaeology
Smell like a god: Ancient sculptures were scented, Danish study shows
Earth Sciences
Earthquake rupture patterns reveal Mamara fault directs considerable seismic energy towards Istanbul
Biochemistry
Protein accidentally lassos itself, helping to explain unusual refolding behavior
Bio & Medicine
Unveiling cancer's hidden messengers: How extracellular vesicles aid tumor spread
Optics & Photonics
Physicists use optical vortex beams to control atom ionization
Biochemistry
Color-changing fluorescent dyes enable precise temperature measurements within living cells
Astronomy
TOI-1453 c: A key sub-Neptune discovered in a system of two exoplanets
Environment
Smoke from wildland-urban interface fires deadlier than remote wildfires, study finds
Condensed Matter
Understanding the origin of magnetic moment enhancement in novel alloys
Cell & Microbiology
Tapuy rice wine fermentation yields possible anti-aging superfood

Fossil killifish: New findings reveal unforeseen diversity

Killifish, or egg-laying toothcarps, are known for their ecological adaptability and species diversity. Two families of killifish exist in Europe today: the highly species-rich Aphaniidae and the relatively species-poor Valenciidae, ...

Fossil study reveals oldest-known evolutionary 'arms race'

A study led by researchers at the American Museum of Natural History presents the oldest known example in the fossil record of an evolutionary arms race. These 517-million-year-old predator-prey interactions occurred in the ...

Major new footprint discoveries on Britain's 'dinosaur highway'

In a stunning find, researchers from the Universities of Oxford and Birmingham have uncovered a huge expanse of quarry floor filled with hundreds of different dinosaur footprints, creating multiple enormous trackways.