Self-determination theory offered a new model of what a human being is. Behaviorists said motivation comes from outside, while SDT argued that the deepest motivation is intrinsic.

Rowan University biology professor Natasha Shylo is exploring left-right asymmetry development with a grant from the National Institutes of Health.

As fertility treatments are on the rise, patchy legislation across Europe leaves thousands of eggs and embryos in limbo. View ...

Kansas women who believe they didn’t receive correct information from medical professionals before an abortion will have a streamlined option to take legal action if a proposed bill ...