pigment, disease & medicine, developmental biology
The Cyclopes of Idaho, 1950s
Karen Zusi | Dec 1, 2015
A rash of deformed lambs eventually led to the creation of a cancer-fighting agent.
Blood Cell Development Reimagined
Bob Grant | Nov 9, 2015
A new study is rewriting 50 years of biological dogma by suggesting that mature blood cells develop much more rapidly from stem cells than previously thought.
Adding Padding
Karen Zusi | Nov 1, 2015
Adipogenesis in mice has alternating genetic requirements throughout the animals’ lives.
Stem Cell Therapy In Utero
Kerry Grens | Oct 13, 2015
An upcoming clinical trial aims to correct for a disease of fragile bones in affected babies before they are born.
Gut Bacteria Linked to Asthma Risk
Jef Akst | Oct 1, 2015
Four types of gut bacteria found in babies’ stool may help researchers predict the future development of asthma.
Sex Differences in the Brain
Margaret M. McCarthy | Oct 1, 2015
How male and female brains diverge is a hotly debated topic, but the study of model organisms points to differences that cannot be ignored.
Sex on the Brain
Margaret M. McCarthy | Sep 30, 2015
Masculinization of the developing rodent brain leads to significant structural differences between the two sexes.
Whaling Specimens, 1930s
Amanda B. Keener | Sep 1, 2015
Fetal specimens collected by commercial whalers offer insights into how whales may have evolved their specialized hearing organs.
Q&A: Placental Ponderings
Christopher Coe | Aug 27, 2015
Biologist Christopher Coe answers readers’ questions about the prescient organ.
Mimicry Muses
Mary Beth Aberlin | Aug 1, 2015
The animal world is full of clever solutions to bioengineering challenges.
Amanda B. Keener | Aug 1, 2015
Meet some of the people featured in the August 2015 issue of The Scientist.
Rethinking Lymphatic Development
Amanda B. Keener | Aug 1, 2015
Four studies identify alternative origins for cells of the developing lymphatic system, challenging the long-standing view that they all come from veins.
Leaving an Imprint
Anna Azvolinsky | Aug 1, 2015
Among the first to discover epigenetic reprogramming during mammalian development, Wolf Reik has been studying the dynamics of the epigenome for 30 years.
A Case of Sexual Ambiguity, 1865
Amanda B. Keener | Aug 1, 2015
This year marks the 150th anniversary of an autopsy report describing the first known case of a sexual development disorder.
The Prescient Placenta
Christopher Coe | Aug 1, 2015
The maternal-fetal interface plays important roles in the health of both mother and baby, even after birth.
Mr. Epigenetics
The Scientist Staff | Jul 31, 2015
Meet Wolf Reik, August Profilee and Babraham Institute director of research.
Sperm From Ovaries
Anna Azvolinsky | Jun 11, 2015
With the deletion of a single gene, female Japanese rice fish can produce sperm. 
Dino Snouts from Chicken Beaks
Bob Grant | May 12, 2015
Researchers tweak gene expression in chicken embryos that may have been crucial to the evolutionary transition from dinosaur noses to bird bills.
Viral Protector
Jef Akst | Apr 21, 2015
A retrovirus embedded in the human genome may help protect embryos from other viruses, and influence fetal development.
Jenny Rood | Apr 1, 2015
Meet some of the people featured in the April 2015 issue of The Scientist.