A new protein analysis of Homo naledi skeletons reveals a curious twist—none of them seem to have Y chromosomes.

Abstract: This research focuses on the forbidden state problem in the framework of labeled Petri nets (LPNs), i.e., to design a supervisor for a plant modeled by an LPN such that the closed-loop ...

Aging affects every organ in the body, yet we still know little about how the ovary changes over time. In a new study published in Nature Aging, Yale researchers created one of the most detailed maps ...

An analysis of tooth proteins suggests all 23 Homo naledi individuals found in the Rising Star cave in South Africa were ...

At first glance, bat sea stars, the nubbly, orange, many-footed creatures often found on the seafloor, seem about as far from humans as one can get. Appearances can be deceiving, however. Scientists ...

When Jasmin Imran Alsous peered down her microscope lens, she expected to see chaos—a mishmash of tangled cells. She was viewing the inside of a male fruit fly's sperm storage organ, using a powerful ...

But when it came to the organ responsible for female pleasure, they were largely flying blind. Now, a groundbreaking study ...

My daughter’s going through a manic psychotic break. Her reality is skewed, and she thinks that she’s right and that the rest ...

The proper development of the human female reproductive tract (FRT) is essential for reproductive competence. However, the mechanisms underlying its segmental specialization remain underexplored. This ...

For decades, American authorities operated an unforgiving machine of ridicule, enforced skepticism, and outright denial. The system labeled as lunatics any scientists or independent researchers who ...