Evolution News
3rd January, 2026
| Jenn Hoskins
Retrotransposed DNA sequences in Psalidodon fishes drive genome evolution
Extra chromosomes, found in some fish, contain copied genes that don’t work but can still impact the organism. Research shows these copies interfere with normal gene activity, potentially explaining why these chromosomes persist despite possible harm.
29th December, 2025
| Jim Crocker
Dwarfism and differing traits in male and female lizards and toads
Researchers found unusual size reduction, or dwarfism, in lizards & toads in North America’s San Luis Valley. Valley populations were ~33% smaller, with disrupted typical size differences between males & females.
27th December, 2025
| Jenn Hoskins
Fig tree breeding reveals surprising genetic exchange between different habitats
Fig trees can interbreed, blurring species lines. A recent study of two species revealed successful gene flow, creating hybrids found in intermediate habitats. These hybrids show altered seed dispersal, suggesting adaptation.
26th December, 2025
| Jim Crocker
Computer models and genetics link vitamin A to longer lifespans in C. elegans
Researchers used computer models to find 16 compounds that might extend life, testing them in C. elegans. Five showed promise, boosting lifespan by up to 30%.
23rd December, 2025
| Jim Crocker
Smart parrots can learn to trade rewards based on their weight
Goffin’s cockatoos excel at basic weight sorting but struggle with more complex tasks requiring associating heavier/lighter weights with specific rewards. This suggests task type, not inherent intelligence, impacts learning success, mirroring results in primates like chimpanzees.
18th December, 2025
| Jenn Hoskins
Fossil plant leaves reveal ancient history of calcium buildup
Researchers found potential evidence of tiny calcium structures, common in modern plant leaves for regulation & defense, in fossils 400M years old.
14th December, 2025
| Jim Crocker
Rare gecko's DNA reveals clues to its survival on Reunion Island
Critically endangered Manapany day geckos on Reunion Island face low genetic diversity, limiting adaptability. Study of 452 geckos revealed limited gene flow between fragmented habitats & populations are isolated by distance.
13th December, 2025
| Jim Crocker
DNA repair enzyme affects daily rhythms
Internal body clocks, vital for sleep & health, are linked to DNA repair. Research shows a protein, 6–4phr, manages both DNA fixes & clock timing by controlling gene activity. Disruptions may relate to neurodegenerative diseases, offering new research paths.
9th December, 2025
| Jenn Hoskins
How using sound to ‘see’ affects balance and stability
Balance isn't just about sight & inner ear function. New research shows hearing, specifically how we perceive echoes, helps us stay stable. Even without seeing, detecting moving objects by sound improves balance, possibly through unconscious adjustments.
8th December, 2025
| Jim Crocker
Understanding the genetic makeup of a wild Solomon’s seal plant
Solomon’s seal plants have long been used in traditional medicine, but identifying species can be difficult. New research mapped the complete genetic code of Polygonatum sinopubescens, revealing its evolutionary relationships and key genes.
7th December, 2025
| Jim Crocker
Hidden threat: New insights into the Bussuquara virus and its impact
A little-known virus, Bussuquara, discovered in the Amazon in 1956, is now under scrutiny. Research reveals it can infect many animals, including people, and cause damage to cells.
4th December, 2025
| Jim Crocker
Ancient fish fossils reveal surprising details about cell preservation and age
Fossils from 375 million years ago reveal preserved cells and blood vessels, pushing back the known limits of soft tissue survival.
2nd December, 2025
| Jim Crocker
How flower traits reveal patterns in a rare iris species
A new study of the Iranian Iris reveals significant variation in flower color, leaf shape, & size within the species. This diversity is key for breeding new varieties & conserving its genetic heritage, identifying plants with desirable traits & unique lineages.
1st December, 2025
| Greg Howard
Bird sperm shape linked to mating success in socially monogamous species
Bird sperm characteristics link to mating success. Longer sperm tails aided extra-pair paternity, while shorter heads helped defend nests. Sperm morphology appears shaped by mating strategy, adding to understanding of how males compete for reproduction.
26th November, 2025
| Jim Crocker
Millipede genes reveal how plants and animals evolved similar defense chemicals
Millipedes defend themselves with hydrogen cyanide, like some plants & insects, but new research shows they evolved this ability independently. They use unique enzymes, differing from those in plants, revealing nature’s diverse routes to similar defense strategies.
23rd November, 2025
| Jim Crocker
How weather and butterfly traits shape daily activity, revealed by volunteers
New research using data from volunteer nature observers reveals how temperature and daylight hours influence butterfly activity. Larger butterflies tend to be active when it’s hottest, but size doesn’t affect temperature sensitivity as much as expected.
22nd November, 2025
| Jim Crocker
Frozen sperm helps revive endangered fish species
Scientists revived the genetic lineage of an endangered fish by freezing & transplanting early reproductive cells into a related species.
11th November, 2025
| Jenn Hoskins
Structure of scent glands in Japanese martens revealed by detailed study
Japanese martens possess abdominal scent glands in all individuals studied. These contain common oily glands & unique ones secreting unknown compounds, likely for communication. Further research will pinpoint the scents’ role in territory & mating.
8th November, 2025
| Jenn Hoskins
Detailed genetic map created for the Spottedtail morwong
Scientists created a detailed genetic blueprint for the spottedtail morwong, a valuable food fish. This unlocks potential for breeding better aquaculture strains & clarifies its evolutionary relationships with other species.
4th November, 2025
| Jim Crocker
What factors affect how much venom India’s most dangerous snakes produce?
Snakebites are a major health issue in India, but accurate data has been lacking. New research details venom amounts from the “big four” snakes, finding significant variation based on species, age, and location. This improves antivenom development & bite treatment.
4th November, 2025
| Jim Crocker
Social interaction boosts brain connections linked to bonding in female voles
Prairie voles form strong pair bonds, making them useful for studying attachment. New research shows even brief contact with a male alters brain structure in areas linked to reward, increasing neuron connections.
2nd November, 2025
| Jim Crocker
50 Years of Research Reveals How Kissing Bugs Stay Separate Species
Chagas disease spread relies on kissing bugs. New research clarifies relationships within the Rhodnius genus, key disease carriers. Breeding experiments show limited successful interbreeding, suggesting most are distinct species, though some genetic exchange occurs.
29th October, 2025
| Greg Howard
Goat family tree reveals surprising relationships among wild species
Goats were among the first animals domesticated, key to early agriculture. New genetic research confirms the bezoar goat is the sole ancestor of all domestic goats, supporting earlier findings.
30th October, 2025
| Jim Crocker
How road crossings affect which species use them
Roads harm wildlife, but crossings like overpasses can help. New research developed a tool to predict which crossing designs mammals will use most, considering location, structure & surrounding environment.
11th October, 2025
| Jenn Hoskins
Early fossil finds suggest ancient worms lived in burrows
New research on Cambrian marine worms, Corynetis, reveals greater anatomical detail & confirms their predatory lifestyle. A ring of sensory structures around the mouth aided prey detection.
11th October, 2025
| Greg Howard
Ancient elephant butchery site reveals how early humans processed meat
New Italian site finds show early humans ~400,000 years ago skillfully used elephant bones to make tools, not just for food. This suggests greater planning & tech ability than previously believed, aligning with discoveries across Europe & Asia.
9th October, 2025
| Jim Crocker
How deer responsiveness affects training success
Red brocket deer temperament significantly impacts training for veterinary care. Initial reactivity levels predicted success: calmer deer learned faster with habituation & rewards.
7th October, 2025
| Jenn Hoskins
Early life stages of the Blue-Eye Cichlid offer clues to fish development
Researchers documented the early growth of a Middle American cichlid fish, revealing rapid head and mouth development crucial for feeding.
5th October, 2025
| Greg Howard
DNA studies uncover the history of feathergrass evolution
New research clarifies feathergrass evolution in Kazakhstan, revealing a new grass species, S. × kyzylordensis, formed by interbreeding of S. arabica and S. richteriana. Genetic tools confirmed its hybrid origin, alongside evidence of hidden genetic diversity within *S.
28th September, 2025
| Jim Crocker
How marine parasites and coral larvae navigate using chemical cues
Researchers modeled how a parasitic isopod and coral larvae find hosts/settlement sites using chemical signals. A new mathematical approach, inspired by simple 'vehicles', matched observed animal movements, revealing how intermittent searching aids detection.
26th September, 2025
| Jenn Hoskins
Combining fieldwork and community science to study salamander colour and social life
Eastern red-backed salamanders are studied to track forest health. New research combined traditional surveys with observations from the public platform iNaturalist.
25th September, 2025
| Jim Crocker
XDH-1 Loss Leads to Kidney Stones, Reversed by SULP-4 Transport
Waste buildup from DNA breakdown can cause kidney stones & failure, a condition with no current treatment. Research using worms revealed a key gene, sulp-4, regulating xanthine stone formation via sulfate transport & gut osmosis.
24th September, 2025
| Jenn Hoskins
How Frogs Survive Despite Population Declines
Ornate Chorus Frog numbers are declining, with 36% of historical areas possibly empty. Good habitat, winter rain, & protected lands help them thrive, while urban sprawl hurts. Key areas for survival are in FL, AL, & GA. This study helps focus conservation efforts.
16th September, 2025
| Jim Crocker
How MIG-21 Affects Gonad Movement Through Wnt and Netrin Pathways
researchers identified mig-21 as a key regulator of cell movement in worm gonads using detailed gene activity maps. mig-21 enhances wnt and netrin signaling, guiding stem cells, and maintains cell responsiveness without stopping migration.
15th September, 2025
| Greg Howard
Costs of Reduced Breeding Success Across Generations in Yellow Finches
Saffron Finch studies reveal females bear extra parental costs when paired with younger, less colourful males, especially with limited resources.
14th September, 2025
| Greg Howard
How Brain Cell Splicing Controls Nerve and Muscle Connections
als affects nerves controlling muscles, with early damage potentially occurring at the connection point (nmj). research shows a protein called agrin, regulated by nova proteins via rna splicing, is vital for nmj function.
9th September, 2025
| Jim Crocker
How Identical Sea Urchin Twins Develop and What Controls It
Sea urchin embryos show surprising self-repair abilities. Separated cells can rebuild a complete organism, correcting disrupted head-to-tail orientation using existing developmental tools like the Wnt pathway.
2nd September, 2025
| Jenn Hoskins
Shrimp Group’s Structure and DNA Variation Revealed
Recent genetic research confirms the pantanal prawn is a unique species, not just a variation of the amazonicum prawn. Scientists used detailed dna analysis to reveal distinct genetic differences and uncover multiple lineages within the amazonicum species, linked to habitat.
21st August, 2025
| Jim Crocker
Unlocking Gene Secrets: How Two Life Forms Evolved
New genetic research on two look-alike hermit crab species, Pagurus lanuginosus and Pagurus maculosus, reveals they diverged 6.24 million years ago. Differences in leg gene activity, especially for exoskeleton material, explain their distinct features.
6th August, 2025
| Jim Crocker
New Insights Into Genetic Variety From Cell Division Pace
How do species that mix asexual cloning with occasional sex evolve? A study on yeast found that when a beneficial gene spreads, it can surprisingly reduce genetic variety across the entire genome, challenging traditional evolutionary models.
9th July, 2025
| Jim Crocker
Finding Seabuckthorn's Mixed Past Using Its Genes
New genetic research clarifies sea buckthorn's complex family history. Scientists precisely identified first-generation hybrids, showing one supposed species is actually a crossbreed. This maps the plant's true evolutionary tree, revealing its intricate past.
27th June, 2025
| Greg Howard
Evidence That Evolution Shapes Genetic Mixing in Mammals
New research on armadillos reveals how DNA shuffling rates evolve. These ancient mammals have surprisingly similar rates, despite millions of years of divergence, and generally lower rates than most mammals, shedding light on genetic diversity and fertility.
25th June, 2025
| Jenn Hoskins
Can We Spot Adaptation in Tiny Samples and Chance?
Cancer cells adapt to drugs, leading to resistance. New research shows current methods often miss individual cell differences and how resistance truly forms. To overcome cancer's remarkable adaptability, we need advanced tools to understand these complex changes.
21st June, 2025
| Jenn Hoskins
AI Uncovers Ocean Reef Ancestry From Physical Shapes
Saving coral reefs starts with knowing their species, but corals often fool us by changing looks or hiding true diversity. Scientists now use AI that combines genetic and physical clues to accurately identify them, boosting conservation.
9th June, 2025
| Jenn Hoskins
Deep Dive Into the Living Fossil Family Tree
A new study rebuilds the coelacanth family tree with refined data, showing these ancient fishes experienced bursts of change that challenge their “living fossil” label and offering fresh insights into their evolutionary past.
9th June, 2025
| Jenn Hoskins
Upstream Regions Stabilize Protein Production in Evolution and Development
Peking University research reveals that small sequences before coding regions act as buffers during protein manufacture, ensuring steady protein levels throughout development and evolution despite mRNA variability.
2nd June, 2025
| Greg Howard
Exploring Virus Gene Swaps with Bunyamwera and Batai
Scientists engineered viruses by swapping gene segments, revealing how even small genetic shifts can significantly alter a virus's infectiousness and severity, advancing our understanding of virus evolution and public health risks.
31st May, 2025
| Jim Crocker
Unraveling Genetic Differences Among Populations in Two National Parks
Research in Mozambique shows tsetse flies in two national parks are genetically isolated, yet accidental movement via livestock transport may help them cross natural barriers and challenge eradication efforts.
22nd May, 2025
| Jim Crocker
Changing Climate Adaptations of Chin Cacti: Did Ice Ages Set the Stage
University of Kansas researchers found that Gymnocalycium cacti have rapidly diversified by adapting to changing temperatures and rainfall. Their evolution varies by region, highlighting the need for targeted conservation as climate shifts threaten these unique species.
21st May, 2025
| Greg Howard
Genetic Study of Mosquitoes Reveals Mixed Populations Along Coast
In Kenya, invasive Aedes aegypti mosquitoes that spread dengue and Zika are moving inland from coastal areas. Genetic studies show they're mixing with local types, heightening disease outbreak risks and complicating control efforts.
21st May, 2025
| Jim Crocker
Diverse Crop Plantings Reduce Pesticide Resistance Growth in Pests
A University of Edinburgh study found that diverse plant diets and different fungal pathogens help maintain genetic variation in insect pests. This balance may prevent pests from quickly developing resistance to biopesticides, supporting sustainable agricultural pest control.
20th May, 2025
| Jim Crocker
Evolution and Features of a Key Bacterial Enzyme Family
Researchers at Sichuan University uncover the evolutionary links and diversity of bacterial PP2C phosphatases, key enzymes that regulate growth and infection. This advances our understanding of bacterial behavior and could pave the way for new antibacterial treatments.
16th May, 2025
| Greg Howard
Deep-Sea Adaptation Revealed by Mitochondrial DNA of Two Sea Cucumbers
Researchers have decoded the mitochondrial DNA of deep-sea sea cucumbers, uncovering unique gene arrangements and genetic changes that help them thrive in extreme, dark, high-pressure ocean depths. This breakthrough enhances our understanding of deep-sea life and its adaptations.
5th May, 2025
| Jenn Hoskins
Zebrafish Lack a Human-Like Immune Protein
Scientists discover zebrafish lack a true version of the crucial immune protein calprotectin, key for fighting infections and regulating inflammation in humans. This finding underscores differences in immune systems and affects using zebrafish to study human health.
4th May, 2025
| Jim Crocker
Unique Viruses Shape Their Spread and Evolution in Underwater Hot Springs
A UW-Madison study uncovers nearly 50,000 unique viruses in deep-sea hydrothermal vents worldwide. These specialized viruses shape microbial communities and global carbon cycles, highlighting their vital role in ocean ecosystems and the need to protect these unique environments.
19th April, 2025
| Greg Howard
Deep Genome Changes in Simple-Looking Shell Creatures
Scientists found that ancient chitons, marine mollusks with unchanged body forms for millions of years, have highly dynamic genomes. This reveals that stable physical traits can coexist with extensive genetic changes, challenging previous evolutionary beliefs.
6th April, 2025
| Jim Crocker
How Environment Helps Populations Survive Through Drug Resistance
New EPFL study shows that the way bacteria are spatially organized helps antibiotic-resistant strains survive and spread. Understanding these patterns is crucial for developing strategies to fight growing antibiotic resistance.
3rd April, 2025
| Jenn Hoskins
Virus Counterattack Blocks Cells’ Anti-Virus Defense
MIT scientists discovered how Bacillus subtilis defends against viruses by self-destructing to block phage spread. They also found that some phages counter this by using a protein that disables the bacterial defense. This reveals the complex battle between bacteria and viruses.
29th March, 2025
| Greg Howard
Shapes and Environments of Ancient Microbial Structures
A new study from Henan Polytechnic University uncovers diverse Cambrian stromatolites in western Henan, revealing how ancient microbes like cyanobacteria shaped early marine environments. These layered structures offer insights into Earth's early life and ecosystem evolution.
29th March, 2025
| Jenn Hoskins
Extraordinary Siblings: Understanding Unique Relationships
A University of Utah study reveals how social norms, alongside genetic ties, drive human cooperation. Using the Brothers Karamazov Game model, researchers show that societal rules enhance altruism beyond family bonds, offering new insights into teamwork and community support.
28th March, 2025
| Jim Crocker
Tracking Sandfly Spread and Evolution with Climate and Genetic Tools
A Vienna study reveals that leishmaniasis-spreading sand flies are adapting to various climates and expanding into new regions. By analyzing their genetics and habitats, scientists aim to improve disease control and predict future outbreaks amid climate change.
27th March, 2025
| Jim Crocker
DNA Study Confirms Spanish Moon Moth's Official Name
Scientists have sequenced the Spanish Moon Moth's DNA, confirming it belongs to the Actias group after a long debate. This breakthrough supports better conservation efforts and deepens our understanding of moth diversity.
21st March, 2025
| Jenn Hoskins
Blocking a Key Process Temporarily Creates Ancient Feather-Like Structures
A University of Geneva study uncovers how key genetic signals control feather growth in chickens. Blocking these signals led to simpler, dinosaur-like feathers, providing insights into how feathers evolved and their ability to regenerate.
18th March, 2025
| Jenn Hoskins
AI Uncovers Ecological Insights from 3D Bird Bill Shapes
Using AI, researchers examined 3D bird beak shapes from over 2,000 species, linking beak design to feeding habits and evolution. This innovative approach uncovers patterns missed by traditional methods, deepening our understanding of bird diversity and adaptation.
14th March, 2025
| Jenn Hoskins
Protein Balance Influences Gene Changes in Bacteria Resistant to Antibiotics
Researchers at IISER Pune found that E. coli bacteria become resistant to antibiotics like trimethoprim by duplicating genes that produce protective enzymes. This gene duplication helps bacteria survive and adapt, offering new targets to combat antibiotic resistance.
9th March, 2025
| Jenn Hoskins
Special RNA Helps Fungus Adapt by Changing Shape
Researchers at Peking University discovered how the harmful fungus Talaromyces marneffei adapts to human body temperatures by switching forms, driven by a unique circular RNA. This breakthrough enhances our understanding of fungal infections and could lead to new treatments.
