When does your baby develop a heartbeat? A baby's heartbeat (at this point a fluttering of cells) starts as early as to 4 weeks after conception or 6 weeks after the first day of the last menstrual ...

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Fibroblasts are an essential component of the heart, as they play key roles in its structure, development and response to ...

Researchers have developed a new software tool that provides unprecedented capabilities to see inside 3D images. Its interactive, dynamic cutaway views allowed them to analyze never-before-seen ...

Long before human bone marrow takes over the task of producing blood, discrete waves of blood cell production occur in the developing embryo. Miriana Dardano, a postdoctoral researcher in Zweigerdt’s ...

Konstanz researchers identify an enzyme that plays a role in the migration of cells in our body—not only during normal tissue formation and wound healing, but also when tumor cells metastasize. This ...

Eating large amounts of ultra-processed food (UPF) is linked not only to reduced fertility in men, but also to slower growth ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. What do the earliest stages of a pregnancy look like? Embryonic development has been extensively studied, but most of our ...

A project at Stevens Institute of Technology has developed a software tool able to reveal previously unseen time-dependent details of tissues imaged with OCT. Reported in Biomedical Optics Express, ...

Congenital heart defects are the most common form of human birth defect, but we still don’t fully understand what causes them. Previous research had suggested that some heart defects could be ...