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Cats' purrs reveal who's who better than their meows

A new study by researchers from the Museum für Naturkunde Berlin and the University of Naples Federico II shows a domestic cat's purr reveals far more about its individual identity than its meow. While meows are highly flexible ...

Triturus newts reveal a genetic balancing act

An evolutionary "trap" has haunted crested and marbled newts for 25 million years: Leiden researchers have uncovered a mysterious DNA error that should not be able to arise—yet persists all the same. How is that possible? ...

Human-cat friendship started much later than you think

A research team led by Professor Luo Shujin from the School of Life Sciences has uncovered a surprising chapter in the history of cats in China. Through ancient DNA sequencing of feline remains spanning more than 5,000 years, ...

Bat study shows motherhood comes with a cost, but not for all

Is it better to have children early or later in life, and does parenthood accelerate aging? Researchers at University College Dublin and the University of Bristol have tackled these questions by studying an exceptional population ...

Embryos show specialized asymmetry at the earliest stage

As nearly one in six couples experience fertility issues, in-vitro fertilization (IVF) is an increasingly common form of reproductive technology. However, there are still many unanswered scientific questions about the basic ...

Epigenetics linked to high-altitude adaptation in Andes

DNA sequencing technology makes it possible to explore the genome to learn how humans adapted to live in a wide range of environments. Research has shown, for instance, that Tibetans living at high altitude in the Himalayas ...

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Evolution
Chimpanzee calls trigger unique brain activity in humans, revealing shared vocal processing skills
Evolution
Discovery of new marine sponges supports hypothesis on animal evolution
Evolution
Fossils reveal anacondas have been giants for over 12 million years
Evolution
Bear teeth break free—the origin of unusual bear dentition
Evolution
Nature's greatest method actors: The insects that cosplay bumblebees
Plants & Animals
Sexual selection in beetles leads to more rapid evolution of new species, long-term experiments show
Evolution
The functional principles of eye evolution: Light-sensitive stem cells provide new insight
Evolution
Using 1,000 butterfly and moth genomes to investigate evolution and climate change resilience
Evolution
From the volcanic crater to the lab: Extremophiles offer a lesson in survival
Plants & Animals
Domestic cats came from North Africa to Europe only 2,000 years ago, DNA evidence suggests
Plants & Animals
The surprising world of animal penises and what they reveal about humans
Evolution
Thousands of genomes reveal the wild wolf genes in most dogs' DNA
Evolution
Modern life explains why people in Chile are taller and have larger heads than their ancestors
Evolution
Flightless ancestor shows brain evolution in pterosaurs and birds took different paths
Evolution
Love hurts: Flashy feathers may put some male pheasant species' lives at risk
Evolution
Ancient hominin fossils reveal two human ancestors lived side by side
Evolution
Brain's GPS hasn't changed in millions of years: Specialized neurons may be vital to evolutionary survival
Evolution
Why are shiny colors rare in nature? Artificial flower experiment suggests a visual trade-off
Evolution
Vampires in the deep: An ancient link between octopuses and squids
Evolution
Urban natives: Plants evolve to live in cities

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Nanomaterials
Exposing a single active site in nanoclusters boosts catalytic activity for green energy
Nanomaterials
Graphene membranes offer efficient, low-cost option for industrial CO₂ capture
Astronomy
Astronomers create first map of the sun's outer boundary
Cell & Microbiology
Shape-shifting cell channel reveals new target for precision drugs
Earth Sciences
Hidden fuel for ocean microbes: Urea emerges as key energy source for marine ammonia oxidizers
Optics & Photonics
All-optical modulation in silicon achieved via an electron avalanche process
Astronomy
Small galaxies may buck the black hole trend, Chandra finds
Earth Sciences
Widespread sediments beneath Greenland make its ice more vulnerable to warming
Earth Sciences
Wintertime spike in oceanic iron levels detected near Hawaii
Astronomy
Rare image of Tatooine-like planet is closest to its twin stars yet
Plants & Animals
A new species of tiny orange frog discovered in Brazil's cloud forests
Archaeology
Ear piercings marked one of the earliest Maya rites of passage, research shows
Astronomy
Astronomers examine nuclear star cluster of nearby galaxy Messier 74
Biotechnology
Scientists teach helices to switch shapes
Social Sciences
Popular song lyrics have become more negative since 1973, analysis reveals
Plants & Animals
Orca tail dolphins to hunt salmon—and may share the catch
Biotechnology
How to build a genome: Scientists release troubleshooting manual for synthetic life
Astronomy
Swarm detects rare proton spike during solar storm
Analytical Chemistry
Twisting spins: Researchers explore chemical boundaries to create new magnetic material
Astronomy
Astronomers challenge 50-year-old quasar law

Starfish break the rules of animal distribution

Animals and plants around the world are not randomly distributed. They appear to follow trends and patterns. But it's often difficult to figure out if the patterns we see in the natural world actually hold true. To prove ...

Bite by bite: How jaws drove fish evolution

If you're reading this sentence, you might have a fish to thank. Fish were the first animals to evolve jaws. They use their jaws primarily to eat, but also for defense, as tools—such as to burrow or to crack open hard food—and ...