High Profile Developmental Biologist Lewis Wolpert Dies at 91
High Profile Developmental Biologist Lewis Wolpert Dies at 91
Wolpert, who conducted research at University College London, was known for his work on morphogenesis and pattern development in embryos and for his multiple books and broadcast appearances.
High Profile Developmental Biologist Lewis Wolpert Dies at 91
High Profile Developmental Biologist Lewis Wolpert Dies at 91

Wolpert, who conducted research at University College London, was known for his work on morphogenesis and pattern development in embryos and for his multiple books and broadcast appearances.

Wolpert, who conducted research at University College London, was known for his work on morphogenesis and pattern development in embryos and for his multiple books and broadcast appearances.

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Panel Lays Out Guidelines for CRISPR-Edited Human Embryos
Panel Lays Out Guidelines for CRISPR-Edited Human Embryos
Lisa Winter | Sep 4, 2020
The International Commission on the Clinical Use of Human Germline Genome Editing claims the technology is still too risky for therapeutic use.
Image of the Day: Brainless Frogs
Image of the Day: Brainless Frogs
Amy Schleunes | Feb 18, 2020
Without a brain, the frog embryo immune system doesn’t receive the signals it needs to mobilize macrophages and fight infections.
A Woman of Firsts, Early 20th Century
A Woman of Firsts, Early 20th Century
Emily Makowski | Jan 13, 2020
Florence Sabin was known for her pioneering research and efforts to support women in science.
China Sentences Gene-Editing Scientist to Three Years in Jail
China Sentences Gene-Editing Scientist to Three Years in Jail
Emily Makowski | Dec 30, 2019
The modification of three babies’ genes by He Jiankui drew widespread criticism from scientists.
Photos of the Year
Photos of the Year
Emily Makowski | Dec 26, 2019
From bubbling plants to endangered whales, here are some amazing images from The Scientist in 2019.
Early Embryo Models Generated from Mouse Stem Cells
Early Embryo Models Generated from Mouse Stem Cells
Abby Olena | Oct 17, 2019
Extended pluripotent stem cells from mice can self-organize to form blastocyst-like structures called blastoids that enable a closer look at early mammalian development.
First Human–Monkey Chimeras Developed in China
First Human–Monkey Chimeras Developed in China
Nicoletta Lanese | Aug 5, 2019
The researchers aim to grow transplantable human organs from primate embryos.
Turtle Embryos May Have a Say in Deciding Their Sex
Turtle Embryos May Have a Say in Deciding Their Sex
Katarina Zimmer | Aug 1, 2019
In a species of freshwater turtle, embryos can move toward warmer or cooler environments within the egg and thus help choose their sexual destiny, but not all experts are convinced.
Scientists Push for a Moratorium on Human Germline Editing
Scientists Push for a Moratorium on Human Germline Editing
Ashley Yeager | Mar 13, 2019
After the reported birth of CRISPRed babies in China, experts want to take time to consider the scientific, social, ethical, and philosophical consequences of editing heritable human DNA.