Fruit fly on cactus leaf
Fruit Flies Evolve in Time with the Seasons: Study
Researchers find that evolution can operate on extraordinarily fast timescales.
ABOVE: © iStock.com, IMNATURE
Fruit Flies Evolve in Time with the Seasons: Study
Fruit Flies Evolve in Time with the Seasons: Study

Researchers find that evolution can operate on extraordinarily fast timescales.

Researchers find that evolution can operate on extraordinarily fast timescales.

ABOVE: © iStock.com, IMNATURE

adaptation

Human DNA abstract dotwork vector illustration made of cloud of colored dots.
Adapting with a Little Help from Jumping Genes
Christie Wilcox | Jan 17, 2022
Long lambasted as junk DNA or genomic parasites, transposable elements turn out to be contributors to adaptation.
Organisms from infographic about transposable elements
Infographic: How Transposable Elements Can Shape Evolution
Christie Wilcox | Jan 17, 2022
The movements of so-called jumping genes can generate the genetic diversity needed to drive evolutionary change in populations over time.  
Uncovering Ancient Residual DNA
Uncovering Ancient Residual DNA
The Scientist Creative Services Team | Aug 27, 2021
A look at how ancient events crafted modern human DNA and their potential impact on human health.
A smiling Black man leans against a colorful wall
Shane Campbell-Staton Dissects the Anthropocene
Lisa Winter | Sep 1, 2021
The Princeton University evolutionary biologist studies how animals are changing due to human activity.
Illustration of humans and mice and their gut microbiota
Infographic: Microbiome-Driven Adaptations in Animals
Catherine Offord | Jul 1, 2021
Researchers are using experiments and observational studies to look for host genetic variation that could be partly determined by the gut microbiota.
38480-ts-transplantation-immunity-cta-banner-jp800x560
What's Mine is Yours: The Immunogenetics of Mating in Anglerfish
Sejal Davla, PhD | Aug 4, 2021
A suppressed immune system in anglerfish uncovers potential strategies for tissue transplantation.
An illustration of green bacteria floating above neutral-colored intestinal villi
The Inside Guide: The Gut Microbiome’s Role in Host Evolution
Catherine Offord | Jul 1, 2021
Bacteria that live in the digestive tracts of animals may influence the adaptive trajectories of their hosts.
giraffe, genetics & genomics, CRISPR, gene editing, genome, physiology, hypertension, bone growth, techniques, mouse model
Genome Reveals Clues to Giraffes’ “Blatantly Strange” Body Shape
Amanda Heidt | Mar 19, 2021
The physiological demands of that long neck get support from a gene involved in strengthening bones and blood vessels, researchers find after inserting the sequence in mice.
Certain Color Varieties of a Coral Are More Protected from Bleaching
Lisa Winter | Feb 25, 2021
In yellow-green and purple versions of the reef-building Acropora tenuis, the genes that code for particular fluorescent and other colorful proteins become more active in the summer, protecting symbiotic algae from thermal stress and resisting bleaching.
Shrew Brains Shrink During Winter
Abby Olena | Dec 3, 2020
The animals kill off around one-quarter of the neurons in their somatosensory cortex, perhaps to save energy, and the cells appear to return the following summer.
Image of the Day: Bubble Suckers
Amy Schleunes | Feb 28, 2020
Unable to break through the water’s surface, tadpoles have a unique workaround for breathing air.
Circadian Clock Genes Help a Crop Pest Adapt to Climate Change
Emily Makowski | Jan 13, 2020
As global temperatures rise and winters shorten, caterpillars of the corn borer moth are emerging earlier in parts of the US thanks to changes in two genes, researchers find.
Image of the Day: Pika Populations
Emily Makowski | Sep 24, 2019
Geography plays a role in how the small mammals adapt to environmental changes.
Image of the Day: Vampire Squid
Emily Makowski | Sep 11, 2019
The unusual cephalopod was spotted on a recent underwater research expedition.
zebra hair temperature regulation thermoregulation adaptations color air
Image of the Day: Hot Stripes
Chia-Yi Hou | Jun 14, 2019
Biologists study how a zebra’s hair helps it keep cool.
Image of the Day: Fight Club
Carolyn Wilke | Jan 11, 2019
South American hummingbird males were caught on camera poking and pinching each other with bills adapted for fighting.
Image of the Day: Water Flea
Sukanya Charuchandra | May 29, 2018
A species of water flea in northern Belgium that helps keep algae in check is growing smaller and less abundant in urbanized areas. 
Free Divers From Southeast Asia Evolved Bigger Spleens
Anna Azvolinsky | Apr 19, 2018
The adaptation gives better endurance to the Bajau people, known as sea nomads, by increasing spleen size and, in turn, boosting the number of oxygenated red blood cells when diving.  
Hawaiian Spiders on Different Islands Evolved Same Disguise in Parallel
Catherine Offord | Mar 8, 2018
In an unusual evolutionary twist, local stick spiders have come up with an almost identical repertoire of color morphs in multiple locations.