So, Haeckel proposed, by examining the development of an embryo you could read its entire evolutionary history in the transition from one stage to another. In fact, this isn't strictly true ...

Most animals, including humans, have bilateral symmetry, which means our bodies are pretty symmetrical. At least on the ...

Scientists found that fruit fly embryos can develop through multiple genetic paths, not just one. This challenges traditional ideas.

No one would ever confuse a human being with a mouse, a chicken, or an elephant, but at the very start of their different ...

This development offers a new window into the early stages of human development and ... “The notochord acts like a GPS for the developing embryo, helping to establish the body’s main axis ...

Shelby is an assistant editor for The Scientist. She earned her PhD from West Virginia University in immunology and microbiology and completed an AAAS Mass Media fellowship. View Full Profile. Learn ...

In the mouse developing embryo, she previously demonstrated a bias at the two-cell stage: one cell contributed more to fetal tissue and the other to the placenta. 4 “We know so little about the very ...

Ancient viruses are embedded everywhere in the human genome. It's thought that about 8% of the human genome... | Genetics And Genomics ...

More than half of the mammalian genome consists of remnants of ancient viral DNA known as ‘transposable elements’ ─ sequences ...