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A Cape ground squirrel sits upright on its hind legs, holding its forelimbs up to its face.
Animals Are Shape-Shifting in Response to a Warming World
Forced to respond to a climate that’s changing faster than it ever has, it remains unclear whether species’ adaptations can keep pace.
Animals Are Shape-Shifting in Response to a Warming World
Animals Are Shape-Shifting in Response to a Warming World

Forced to respond to a climate that’s changing faster than it ever has, it remains unclear whether species’ adaptations can keep pace.

Forced to respond to a climate that’s changing faster than it ever has, it remains unclear whether species’ adaptations can keep pace.

morphology
Panels showing different kinds of microglia
Mapping Tool Reveals Microglia’s Shape-Shifting Secrets
Angie Voyles Askham, Spectrum | Dec 14, 2022 | 4 min read
The approach could help test hypotheses about how atypical function of the brain’s immune cells contributes to autism.
Artist’s rendering of an early mammal called a mammaliamorph
Warm-Bloodedness in Mammals May Have Arisen in Late Triassic
Andy Carstens | Jul 21, 2022 | 2 min read
Researchers mapped ear canal shape to body temperature to predict when ancestors of mammals first became endothermic.
Technique Talk: The Basics of Immunohistochemistry
The Scientist Creative Services Team | 1 min read
Learn about the fundamentals of immunohistochemistry in this workshop for better protocol development and troubleshooting.
The fossil tooth found in the Annamite Mountains in Laos
Ancient Tooth Could Be Clue in Denisovan Migration Mystery
Andy Carstens | May 18, 2022 | 2 min read
The new fossil from Laos helps answer the question of how some people from Oceania carry DNA from the ancient hominin.
Image of not-to-scale renderings of the skulls of various primate species
Surface Area of Tooth Roots Predicts Primate Body Size
Maddie Bender | May 2, 2022 | 2 min read
Researchers determine that a primate’s tooth root, and not just its crown, can yield reliable information about body size, but the relationship between root surface area and diet isn’t as clear.
shrew
Researchers Identify 14 New Shrew Species 
Chloe Tenn | Jan 5, 2022 | 2 min read
The discovery, made on the island of Sulawesi in Indonesia, constitutes an exceptionally high number of new mammals to be described in a single paper.
two quails
Chromosomal Rearrangement Linked to Less Mobile Quail
Chloe Tenn | Dec 7, 2021 | 5 min read
The Scientist interviews evolutionary biologist Carles Vilà about how a large genomic inversion detected in common quail affects the birds’ physical characteristics and migratory behaviors.
The man-of-war fish (Nomeus gronovii), a species of medusafish, near the tentacles of a siphonophore.
Medusafishes Are Grouped by Shared, Odd Traits: Study
Devin A. Reese, PhD | Dec 1, 2021 | 2 min read
Shared features, such as thick, slimy skin and a throat filled with teeth, suggest that medusafishes are all related.
Infographic: Anatomical Construction by Cell Collectives
Michael Levin | Sep 1, 2020 | 3 min read
Understanding this complex and still largely enigmatic process will pave the way for researchers to control the development of new morphologies.
How Groups of Cells Cooperate to Build Organs and Organisms
Michael Levin | Sep 1, 2020 | 10+ min read
Understanding biology’s software—the rules that enable great plasticity in how cell collectives generate reliable anatomies—is key to advancing tissue engineering and regenerative medicine.
Contributors
The Scientist Staff | Sep 1, 2020 | 4 min read
Meet some of the people featured in the September 2020 issue of The Scientist.
Image of the Day: Turtle Ant Soldiers
Amy Schleunes | Mar 12, 2020 | 1 min read
Big heads come in handy when the social insects are tasked with defending their nest.
Martha Muñoz Uncovers the Drivers and Dampers of Biodiversity
Nicoletta Lanese | Nov 1, 2019 | 3 min read
The Yale biologist says that organisms’ behavior, physiology, and morphology engage in a constant “evolutionary dance.”
Image of the Day: Brains and Braincases
Emily Makowski | Oct 18, 2019 | 1 min read
The skull changed shape in different ways than the brain during evolution, according to a new comparative study.
Developing African cichlid stained to examine craniofacial structure
Image of the Day: Cichlid Cranium
Nicoletta Lanese | Jul 25, 2019 | 1 min read
Maternal care for the fish alters the structure of their developing heads.
Image of the Day: Hanging Around
Sukanya Charuchandra | Jul 27, 2018 | 1 min read
Hurricanes drive evolution in anole lizards, finds a new study.
The Topography of Teeth
Bob Grant | Nov 28, 2016 | 2 min read
Intricate, digital maps of animals’ teeth, created using the same geographical tools used by mapmakers, may help researchers determine the diets of extinct species.
Brain Fold Tied to Hallucinations
Kerry Grens | Nov 19, 2015 | 1 min read
A shorter crease in the medial prefrontal cortex is linked with a higher risk of schizophrenics experiencing hallucinations.
Homo naledi’s Hands and Feet
Bob Grant | Oct 6, 2015 | 2 min read
Two new analyses of fossil remains from the recently discovered human relative suggest the species may have been uniquely adapted to both terrestrial and arboreal locomotion.
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