cloning, disease & medicine, developmental biology
David Julius Probes the Molecular Mechanics of Pain
David Julius Probes the Molecular Mechanics of Pain
Anna Azvolinsky | Jan 1, 2018
For nearly 30 years, the UC San Francisco researcher has delved into unexplored corners of the nervous system.
Thousands of Mutations Accumulate in the Human Brain Over a Lifetime
Thousands of Mutations Accumulate in the Human Brain Over a Lifetime
Ruth Williams | Dec 7, 2017
Single-cell genome analyses reveal the amount of mutations a human brain cell will collect from its fetal beginnings until death.
Passing the Torch
Passing the Torch
Mary Beth Aberlin | Dec 1, 2017
Looking back, looking forward
Captivated by Chromosomes
Captivated by Chromosomes
Anna Azvolinsky | Dec 1, 2017
Peering through a microscope since age 14, Joseph Gall, now 89, still sees wonder at the other end.
New Techniques Detail Embryos’ First Hours and Days
New Techniques Detail Embryos’ First Hours and Days
Jef Akst | Dec 1, 2017
New technologies reveal the dynamic changes in mouse and human embryos during the first week after fertilization.
Infographic: How Embryos Take Control of Their Own Development
Infographic: How Embryos Take Control of Their Own Development
Jef Akst | Nov 30, 2017
The switch from maternal factors involves dynamic reprogramming of the zygotic genome.
Image of the Day: Skate Youngsters 
Image of the Day: Skate Youngsters 
The Scientist Staff | Nov 28, 2017
Scientists study the development of scales in skate embryos. 
Dolly’s Cloning Likely Didn’t Cause Premature Aging
Dolly’s Cloning Likely Didn’t Cause Premature Aging
Katarina Zimmer | Nov 24, 2017
A new analysis of Dolly’s skeleton suggests the cloned sheep’s arthritis did not lead to her death. 
Image of the Day: Tadpole Prism
Image of the Day: Tadpole Prism
The Scientist Staff | Nov 3, 2017
Scientists are making use of Xenopus tadpoles to study autism risk genes. 
Image of the Day: Fragile Brain
Image of the Day: Fragile Brain
The Scientist Staff | Oct 3, 2017
In Fragile X syndrome—a genetic mishap that results in cognitive delays—the lack of a translation-repressing protein leads to the rampant accumulation of other proteins in the mouse brain.