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Image of the Day
Image of the Day:
The Scientist Staff | May 18, 2018
Researchers recently used CRISPR single-guide RNAs to alter genes involved in pigmentation in frog embryos.
Image of the Day: Living Color
Staff | Mar 8, 2018
Biodegradable pigments could be custom-grown by bacteria in the future, say researchers.
Hungry Macrophages Keep Tattoos on Mice’s Skin
Diana Kwon | Mar 7, 2018
A new study reveals that a constant stream of ink-gobbling immune cells helps hold tattoos in place.
Image of the day: Stylish Zebrafish
Staff | May 3, 2017
develop patterns of colorful stripes on their skin thanks to pigmented cells—dark melanophores, orange-gold xanthophores, and iridescent iridophores.
Infographic: How the Zebrafish Got Its Stripes
Catherine Offord | Apr 30, 2017
Immune cells called macrophages shuttle cellular messages in the skin.
“Redhead” Gene Variant Boosts Melanoma Risk
Tanya Lewis | Jul 12, 2016
People without red hair who possess the variant are also more likely to develop this form of skin cancer, researchers report.
Rethinking Pre-Agricultural Humans
Tracy Vence | Jan 28, 2014
Analysis of a 7,000-year-old human genome suggests that Mesolithic people had relatively dark skin and had begun to evolve pathogen resistance characteristic of modern Europeans.
Fish of Many Colors
Abby Olena | Jan 23, 2014
Researchers seek insight into the pigmentation patterns of guppies and zebrafish.
Detailing Color Vision
Ruth Williams | Dec 6, 2012
Scientists engineer a spectrum of artificial pigments to understand how animals see in color.
Ruffling Dinosaur Feathers
Cristina Luiggi | Sep 15, 2011
Dinosaur and early bird feathers trapped in amber around 80 million years ago provide unprecedented insight into the evolution of plumage.