Kanazawa University and colleagues have achieved a breakthrough in understanding sperm DNA packaging. Using high-speed atomic ...

Novel tools that allow neuron-specific investigations of the structure controlling sleep regulation in fruit flies reveal the extent of neuronal heterogeneity.

In all, they collected data that covers about 3.4 miles (5.4 kilometers) of neuronal wiring in a part of the brain that processes visual information from the eyes. Listen to Story They worked out the ...

A 26-year-old American man has become the world’s first to receive a sperm-making stem cell transplant in a groundbreaking experiment aimed at reversing infertility. Jaiwen Hsu suffered from ...

"Semen analysis is crucial because by understanding the differences between semen and sperm, the structure of sperm, and the parameters that determine fertility, couples can improve their chances ...

But only recently have they been able to describe how it affects sperm cells, bending their shape, slowing them down and changing their genetic material. It’s not surprising, since many ...

The study, published in Cell Reports Physical ... extra-twisted structure," said Professor Reza Nosrati from Monash University. "For sperm, this extra twist in the fluid enhances their movement ...

A man in his early 20s has received the world's first sperm-making stem cell transplant in a new procedure that could be groundbreaking for infertility treatment. Until now, the procedure had ...

A man in his early 20s received a transplant of his own sperm-producing stem cells, which had been frozen since his childhood, in an attempt to regain fertility. Doctors are waiting to see if the ...

His parents enrolled him in a study that was collecting and storing immature testicular tissue, and the sperm-forming stem cells in them, from young patients with the goal of eventually giving ...