Evolutionary Biology News

April 18, 2025

Top Headlines

Curious Isolation: New Butterfly Species Discovered

Apr. 17, 2025 — A new butterfly species, Satyrium curiosolus, was discovered in a recent study at Blakiston Fan in Waterton Lakes National Park, Alberta. It has unique evolutionary history, having likely remained in isolation for up to 40,000 years, leading to ...

Secret to Crocodylian Longevity

Apr. 16, 2025 — Researchers examined teeth and skulls of 99 extinct crocodylomorph species and 20 living crocodylian species to reconstruct their dietary ecology and identify characteristics that helped some groups persist through two mass extinctions. They ...

New Tool for Cutting DNA: Promising Prospects for Biotechnology

Apr. 14, 2025 — A team discovers a new family of enzymes capable of inducing targeted cuts in single-stranded DNA A few years ago, the advent of technology known as CRISPR was a major breakthrough in the scientific world. Developed from a derivative of the immune ...

Genes in Bacterial Genomes Are Arranged in a Meaningful Order

Apr. 10, 2025 — Bioinformaticians have established that the genes in bacterial genomes are arranged in a meaningful order. They describe that the genes are arranged by function: If they become increasingly important at faster growth, they are located near the ...

Latest Headlines

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Flex Appeal: 'Trade-Off' Between Armor and Efficiency in Sea Turtle Shells

Apr. 8, 2025 — A sea turtle's shell is a masterpiece. A study reveals that marine turtle shells combine flexibility and strength to protect against predators like sharks and stress while optimizing movement. This ...

Six Ape Genomes Sequenced Telomere-to-Telomere

Apr. 9, 2025 — Comprehensive reference genomes have now been assembled for six ape species: siamang (a Southeast Asian gibbon), Sumatran orangutan, Bornean orangutan, gorilla, bonobo and chimpanzee. Areas of their ...

From Bacterial Immunity to Plant Sex

Apr. 9, 2025 — Could it be that one of only three known markers directly targeting the DNA does not exist outside the realm of microbes? Now, researchers have demonstrated that this marker -- N4-methylcytosine ...

Mammoth Genetic Diversity Throughout the Last Million Years

Apr. 9, 2025 — A new genomic study has uncovered long-lost genetic diversity in mammoth lineages spanning over a million years, providing new insights into the evolutionary history of these ...

Viral 'Backbone' Underlies Variation in Rotavirus Vaccine Effectiveness

Apr. 8, 2025 — Researchers have shown that differences in the entire rotavirus genome -- not just its two surface proteins -- affect how well vaccines work, helping to explain why some strains are more likely to ...

How This Tiny Snake Could Change Our View of Genetics

Apr. 2, 2025 — By analyzing the flowerpot snake's unique genome, scientists are uncovering how the tiny reptile repairs its DNA and prevents harmful mutations. The findings provides valuable insights into genetic ...

Researchers Reveal Why Young Plants May Be More Vulnerable to Disease

Apr. 4, 2025 — A new study reveals an evolutionary trade-off that young plants face to develop disease ...

Century-Old Clues Reveal Hidden Threat to Australian Songbird

Apr. 4, 2025 — A hidden threat facing one of Australia's most iconic birds has been uncovered in a new study. The critically endangered regent honeyeater once numbered in the hundreds of thousands, but their ...

Machine Learning Helps Construct an Evolutionary Timeline of Bacteria

Apr. 3, 2025 — Scientists have helped to construct a detailed timeline for bacterial evolution, suggesting some bacteria used oxygen long before evolving the ability to produce it through ...

Picky Eaters by Day, Buffet by Night: Butterfly, Moth Diets Sync to Plant Aromas

Apr. 3, 2025 — The scent of blooming flowers and fresh plant life is not just a perk of springtime; it is a key driver in the survival and evolution of butterflies ...

Precision Medicine Could Be Possible in the Fight Against Antibiotic Resistance

Apr. 3, 2025 — Certain antibiotic-resistant infections could be treated with precision medicine in the future, thanks to a new resource mapping plasmids the ultimate vehicle of rapid bacterial ...

An Answer to Green Energy in Hydrogen-Generating Marine Microbes

Apr. 3, 2025 — A genomic study of hydrogen-producing bacteria has revealed entirely new gene clusters capable of producing large volumes of ...

Monkeys Are World's Best Yodellers -- New Research

Apr. 2, 2025 — A new study has found that the world's finest yodellers aren't from Austria or Switzerland, but the rainforests of Latin America. The research provides significant new insights into the ...

First Ancient Genomes from the Green Sahara Deciphered

Apr. 2, 2025 — An international team has sequenced the first ancient genomes from the so-called Green Sahara, a period when the largest desert in the world temporarily turned into a humid savanna-like environment. ...

A Borrowed Bacterial Gene Allowed Some Marine Diatoms to Live on a Seaweed Diet

Apr. 1, 2025 — A group of diatom species belonging to the Nitzschia genus, gave up on photosynthesis and now get their carbon straight from their environment, thanks to a bacterial gene picked up by an ancestor, ...

New Warnings of a 'Butterfly Effect' -- In Reverse

Mar. 31, 2025 — A new study warns that global climate change may have a devastating effect on butterflies, turning their species-rich, mountain habitats from refuges into traps. Think of it as the 'butterfly ...

'She Loves Me, She Loves Me Not': Physical Forces Encouraged Evolution of Multicellular Life, Scientists Propose

Mar. 31, 2025 — A study presents a striking example of cooperative organization among cells as a potential force in the evolution of multicellular life. The study is based on the fluid dynamics of cooperative ...

Global Patterns in Seed Plant Distribution Over Millions of Years

Mar. 28, 2025 — Why do some plants thrive in specific regions but not in others? A study explores the factors shaping plant distributions and how these patterns have changed over millions of years. Analyzing nearly ...

Scientists Uncover Key Mechanism in Evolution: Whole-Genome Duplication Drives Long-Term Adaptation

Mar. 26, 2025 — Scientists uncovered how whole-genome duplication emerges and remains stable over thousands of generations of evolution in the ...

New Species Revealed After 25 Years of Study on 'Inside Out' Fossil -- And Named After Discoverer's Mum

Mar. 26, 2025 — A new species of fossil is 444 million years-old with soft insides perfectly preserved. Research 'ultramarathon' saw palaeontologist puzzled by bizarre fossil for 25 ...

How Did the Large Brain Evolve?

Mar. 26, 2025 — Two specific genes that evolve exclusively in humans jointly influence the development of the cerebrum. Researchers have provided evidence that these genes contribute together to the evolutionary ...

The Evolution of Low-Temperature Adapted Enzymes

Mar. 25, 2025 — Enzymes originally evolved in high-temperature environments and later adapted to lower temperatures as Earth cooled. Scientists discovered that a key shift in enzyme function occurred over ...

Biologists Discover Ancient Neurohormone That Controls Appetite

Mar. 24, 2025 — Biologists have discovered that bombesin, a neurohormone controlling appetite in humans, also regulates feeding in starfish, revealing its ancient evolutionary origin dating back over 500 million ...

Chimpanzees Act as 'Engineers', Choosing Materials to Make Tools Based on Structural and Mechanical Properties

Mar. 24, 2025 — Researchers have discovered that chimpanzees living in Gombe Stream National Park in Tanzania employ a degree of engineering when making their tools, deliberately choosing plants that provide ...

From Dinosaurs to Birds: The Origins of Feather Formation

Mar. 20, 2025 — Feathers, essential for thermoregulation, flight, and communication in birds, originate from simple appendages known as proto-feathers, which were present in certain dinosaurs.By studying embryonic ...

Tiny Musky Rat-Kangaroos Hold the Key to Explain Why 'Roos Hop

Mar. 19, 2025 — To understand why kangaroos hop -- a rarity among animals -- researchers have studied the musky rat-kangaroo (Hypsiprymnodon moschatus), a diminutive marsupial that weighs only 500 grams but is the ...

New Mechanism Behind Adaptive Immunity Revealed: It Could Impact How We Design Vaccines

Mar. 19, 2025 — New imaging reveals a built-in safeguard that allows B cell populations to rapidly expand in germinal centers without introducing deleterious ...

Scientists Uncover Principles Underlying the Toxicity of 'Selfish' Genes

Mar. 18, 2025 — Lurking within the genomes of nearly all species--including plants, fungi, and even humans--are genes that are passed from generation to generation with no clear benefit to the organism. Called ...

Iguanas Floated One-Fifth of the Way Around the World to Colonize Fiji

Mar. 17, 2025 — The only iguanas outside the Americas, Fiji iguanas are an enigma. A new genetic analysis shows that they are most closely related to the North American desert iguana, having separated about 34 ...

New Name for One of the World's Rarest Rhinoceroses

Mar. 13, 2025 — A recent study has reclassified the species commonly known as the Javan rhinoceros, proposing a more precise scientific name: Eurhinoceros sondaicus. The research highlights key differences in body ...