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Biology news
Scientists control bacterial mutations to preserve antibiotic effectiveness
Scientists have discovered a way to control mutation rates in bacteria, paving the way for new strategies to combat antibiotic resistance.
Cell & Microbiology
59 minutes ago
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Ancient DNA analyses imply brucellosis pathogen evolved with development of farming
Scientists analyzed ancient DNA extracted from an 8,000-year-old sheep bone and detected the Brucella melitensis pathogen. Brucellosis affects millions of people every year and causes significant harm to the welfare of livestock.
Evolution
24 minutes ago
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Folded peptides are more electrically conductive than unfolded peptides, study reveals
What puts the electronic pep in peptides? A folded structure, according to a new study in the Proceedings of the National Academy of Sciences.
Molecular & Computational biology
1 hour ago
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How Staphylococcus slips around between biological environments
It's an unpleasant fact that most of us are happy to ignore: Our mouths and noses are the natural homes to infectious and antibiotic resistant bacteria.
Cell & Microbiology
1 hour ago
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Invasive, blood-sucking fish 'may hold the key to understanding where we came from,' say biologists
One of just two vertebrates without a jaw, sea lampreys that are wreaking havoc in Midwestern fisheries are simultaneously helping scientists understand the origins of two important stem cells that drove the evolution of ...
Plants & Animals
1 hour ago
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Scientists figure out why there are so many colorful birds in the tropics and how these colors spread over time
The color palette of the birds you see out your window depends on where you live. If you're far from the Equator, most birds tend to have drab colors, but the closer you are to the tropics, you'll probably see more and more ...
Evolution
5 hours ago
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Climate-smart coffee: Researchers explore Robusta coffee as alternative to Arabica
Crave that cup of coffee in the morning? Globally, consumers drink more than 2.2 billion cups daily. Someone grows all that joe: More than 100 million farmers worldwide produce coffee.
Plants & Animals
17 hours ago
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Isle of Skye discovery suggests ancient mammals had longer lifespans than modern counterparts
A team of paleontologists and natural science specialists from the U.K., the U.S. and France reports that ancient fossil evidence uncovered on Scotland's Isle of Skye suggests small mammals living millions of years ago may ...
New study confirms mammal-to-mammal avian flu spread
A new study provides evidence that a spillover of avian influenza from birds to dairy cattle across several U.S. states has now led to mammal-to-mammal transmission—between cows and from cows to cats and a raccoon.
Molecular & Computational biology
23 hours ago
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A soft needle in an oceanic haystack: Scientists discover a new species of chordate
The Cambrian fossil record indicates that most animal phyla had diversified and inhabited the Earth's oceans approximately 518 million years ago. But even though chordates—the group that includes vertebrates like humans—were ...
Evolution
22 hours ago
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Size doesn't matter for mammals with more complex brains, according to new study
Mammals that have evolved more developed brains tend to have a smaller size difference between males and females of that species, according to new research led by the University of Bath and published in Nature Communications.
Plants & Animals
23 hours ago
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AI-assisted analysis suggests elephant-like species extinction rates grew when humans arrived
A pair of paleobiologists at the University of Fribourg and Swiss Institute of Bioinformatics, in Switzerland, working with a colleague from Museo Nacional de Ciencias Naturales, in Spain, has found evidence suggesting that ...
Your world is different from a pigeon's—but a new theory explains how we can still live in the same reality
The human eye registers three colors of light: red, green and blue. But pigeons (and many other animal species) can also see a fourth color, ultraviolet.
Plants & Animals
23 hours ago
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Deciphering the journey from stem cells to neurons: Study reveals continuous gene expression changes behind the switch
RIKEN researchers have uncovered how gradual changes in gene-expression patterns drive a cell-fate switch in neural stem cells (NSCs) in mice.
Cell & Microbiology
21 hours ago
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New Zealand's flightless birds are retreating to moa refuges
Researchers have found New Zealand's endangered flightless birds are seeking refuge in the locations where six species of moa last lived before going extinct.
Plants & Animals
23 hours ago
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Does fertility affect a woman's body odor? Study finds no evidence
Who we choose as a partner depends in part on who we find attractive on the outside. Scientists have long wondered whether potential partners can also sense a woman's fertility, for example through subtle changes in her body ...
Plants & Animals
23 hours ago
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Study reveals close host–symbiont interactions in deep-sea chemosynthetic tubeworm
Vestimentiferan tubeworms, unique deep-sea dwellers lacking a digestive system, rely on a symbiotic partnership with sulfide-oxidizing endosymbiotic bacteria (endosymbionts) for nutrients. Living in chemosynthetic ecosystems ...
Ecology
23 hours ago
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Rare rodent prefers an invasive noxious weed over native vegetation, study finds
In a twist to the native animal survival story, new research shows that a threatened rodent that only survives on offshore islands prefers one of Australia's most invasive weeds for food and shelter.
Plants & Animals
21 hours ago
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Important region of marine ecosystem in Southwest Atlantic is shallower than expected, study finds
Researchers at the Federal University of São Paulo (UNIFESP) and the University of São Paulo (USP) have determined, for the first time with precision, the vertical limits of the marine environments in the Southwest Atlantic, ...
Ecology
18 hours ago
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Non-native species are threatening vulnerable Svalbard plant life, study warns
New, non-native plant species are constantly being found in Svalbard, and researchers are working to ascertain what threat these species pose to the native plants.
Ecology
18 hours ago
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