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image: Image of the Day: Stretchy Chicken Skin

Image of the Day: Stretchy Chicken Skin

By The Scientist Staff | August 25, 2017

In a developing chicken embryo, skin cells pull on each other, forming multicellular mounds that eventually turn into properly-spaced feathers.


image: Imperfect Poultry Vax

Imperfect Poultry Vax

By Amanda B. Keener | July 27, 2015

Chickens immunized against Marek’s disease virus are apt to spread more-virulent versions of the pathogen, a study shows.


image: Counting Chicks?

Counting Chicks?

By Jenny Rood | January 30, 2015

Like humans, baby birds visualize increasing numbers from left to right, a study suggests.


image: Behavior Brief

Behavior Brief

By Rina Shaikh-Lesko | April 28, 2014

A round-up of recent discoveries in behavior research


image: Pharma Firms Comply with New Antibiotics Rules

Pharma Firms Comply with New Antibiotics Rules

By Rina Shaikh-Lesko | March 31, 2014

Most drug manufacturers agree to follow the Food and Drug Administration’s new labeling guidelines for antibiotics used in farm animals.


image: Why Many Birds Don’t Have Penises

Why Many Birds Don’t Have Penises

By Kate Yandell | June 7, 2013

In avian species, a gene induces programmed cell death during development in the area where a phallus would otherwise grow.

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image: H7N9’s Lineage

H7N9’s Lineage

By Kate Yandell | May 2, 2013

An analysis of the novel virus indicates it’s descended from at least four different bird flu strains.

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image: Characterizing H7N9

Characterizing H7N9

By Kate Yandell | April 26, 2013

What scientists are learning about the zoonotic flu virus that has infected more than 100 people in China since February


image: Prenatal Stress Ages Offspring

Prenatal Stress Ages Offspring

By Tia Ghose | November 9, 2011

High stress during fetal development could  cause premature aging, according to a study in chickens, which published today (November 9) in the Proceedings of the Royal Society B. 


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