Newborns with heart complications can rely on their newly developed immune systems to regenerate cardiac tissues, but this isn’t the case in adults. After a heart attack, most adults struggle to ...

Frozen mice stem cells that were aboard the ISS for six months can produce healthy offspring. By Laura Baisas Published Aug 15, 2025 11:00 AM EDT Get the Popular Science daily newsletter💡 ...

Gene therapy using lentiviral vectors (LVs) has proven effective in ex vivo applications, where a patient’s stem cells are extracted, genetically modified, and then reinfused to achieve therapeutic ...

Northwestern Medicine researchers are looking at how newborns' newly developed immune systems can regenerate cardiac tissue. They say understanding the mechanism in infants could lead to tissue repair ...

Scientists show that prenatal stress reshapes fetal mast cells and sensory neurons, creating a fragile skin barrier that sparks early-life eczema in mice. Study: Maternal stress triggers early-life ...

The sex of baby mice—and quite likely baby humans—is determined by a virus that inserted itself into the mammalian genome 1.5 million years ago, Live Science reports. As long as that viral remnant is ...