Image of a woolly mammoth skin from the Siberian permafrost.
| 4 min read
A well-preserved 52,000-year-old woolly mammoth skin sample with fossils of ancient chromosomes could offer a glimpse into the history of life.

extinct species

Fernanda, a Fernandina giant tortoise (<em>Chelonoidis phantasticus</em>), was identified in 2019, decades after her species supposedly went extinct.

When an Extinct Species Is Found Alive, What Happens Next?

Artist’s rendering of an early mammal called a mammaliamorph

Warm-Bloodedness in Mammals May Have Arisen in Late Triassic

Dinosaur Fossil (Tyrannosaurus Rex) Found by Archaeologists

Are We in the Midst of a Sixth Mass Extinction?

Illustration of creatures from today&rsquo;s crisis

Infographic: A Look at the Big Five Mass Extinctions

A scientific illustration of a Christmas Island rat

Genome Spotlight: Christmas Island Rat (Rattus macleari)

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Risk of Extinction Is Greatest for Large Herbivores: Study

Image of the Day: Big Body, Little Brain

DNA of Red Wolves, Once Gone from the Wild, Discovered in Texas Pack

Productivity Paradox

Gigantic “Tree Lobsters” Not Extinct After All

The Topography of Teeth

Genome Digest

Snail Revival Raises Peer Review Debate

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2012’s Noteworthy Species

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Image of Atul Butte.

Biomedical Informatician Atul Butte Dies at 55

Photo of John Calhoun crouches within his rodent utopia-turned-dystopia

Universe 25 Experiment

An illustration showing the accumulation of amyloid plaques between nerve cells, which is the underlying cause of disorders like Alzheimer’s and Parkinson’s disease.

A Gut Pathogen’s Unexpected Weapon Against Amyloid Diseases

Image of futuristic technology such as artificial intelligence with a graphic of a robotic bird against a blue background.

An AI-Powered Scientist Proposes a Treatment for Blindness

Multimedia

Conceptual 3D illustration of mycoplasma colonies

Taking Control of Cellular Contamination with PCR Testing

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Digital microscopy image of cells in culture

Electronic Records in Cell Culture Management

Image of small blue creatures called Nergals. Some have hearts above their heads, which signify friendship. There is one Nergal who is sneezing and losing health, which is denoted by minus one signs floating around it.
June 2025, Issue 1

Nergal Networks: Where Friendship Meets Infection

A citizen science game explores how social choices and networks can influence how an illness moves through a population.

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Unraveling Complex Biology with Advanced Multiomics Technology

Unraveling Complex Biology with Five-Dimensional Multiomics

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Resurrecting Plant Defense Mechanisms to Avoid Crop Pathogens

Resurrecting Plant Defense Mechanisms to Avoid Crop Pathogens

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Seeing and Sorting with Confidence

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Streamlining Microbial Quality Control Testing

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Agilent Unveils the Next Generation in LC-Mass Detection: The InfinityLab Pro iQ Series

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Pioneering Cancer Plasticity Atlas will help Predict Response to Cancer Therapies

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How Alderley Analytical are Delivering eXtreme Robustness in Bioanalysis