Why do pregnancies last longer in some species than others? Researchers at the Francis Crick Institute have found the clock that sets the speed of embryonic development and discovered the mechanism is ...

The embryological development of the cerebral vasculature is very complex. Historical and also more recent studies based on human embryos, comparative anatomy and cerebral angiographies allowed us to ...

The neuron doctrine, one of the central paradigms of the neurological sciences, states that neurons are individual units. Wilhelm His helped to lay the scientific foundation for the neuron doctrine.

Background: Temperament is a core construct in personality neuroscience, reflecting biologically based differences in emotional reactivity and self-regulation. Traditionally attributed to genetic and ...

The Haematopoietically expressed homeobox transcription factor (Hhex) is a transcriptional repressor that is of fundamental importance across species, as evident by its evolutionary conservation ...

Mammalian perineal structure derived from septation of the cloaca is an important evolutionary innovation that allows myriad anatomical configurations, diverse reproductive strategies, and precise ...