Medical professionals often begin counting pregnancy from the first day of a woman’s last menstrual period (LMP), which can confuse many expecting parents. The approach means the first two weeks of ...

Multicellularity is one of the most profound phenomena in biology, and relies on the ability of a single cell to reorganize ...

Selecting the healthiest embryo is one of the most important steps in in‑vitro fertilization (IVF), yet it remains one of the ...

Neural crest cells are a population of stem cells that invade the embryo in early development. They play a big role in what ...

A surprisingly small detail in the skin may play an outsized role in how young skin looks and how well it repairs scars. Researchers say the clue is a microscopic structure found in humans, pigs, and ...

We don’t want to say anything too obvious here, but the further we get into the MCU, the more stuff happens. And the closer we get to the end of a phase, some Marvel projects find themselves in the ...