Myocardial infarction results in compromised myocardial function and heart failure owing to insufficient cardiomyocyte self-renewal. Unlike many vertebrates, mammalian hearts have only a transient neonatal renewal capacity. Reactivating primitive reparative ability in the mature mammalian heart requires knowledge of the mechanisms that promote early heart repair. By testing an established Hippo-deficient heart regeneration mouse model for factors that promote renewal, here we show that...
Tag Archives: heart
Jaybird Reign fitness tracker review: Keeping you honest with heart rate variability
Video shot/edited by Jennifer Hahn. (video link)
A lot of popular fitness trackers aren't very active at all. They sit on your wrist counting each step you take, how long you sleep, and maybe a few workouts here and there. Jaybird's $ 150 Reign tracker is trying to do something a bit different. Instead of focusing on steps, Reign gets to know your body...
Scientists dissect Pluto’s heart, for geology’s sake
Just in time for Valentine’s Day, the scientists behind NASA’s New Horizons mission are sharing a map that brings a different perspective to Pluto’s heart. The map shows clearly that the dwarf planet’s bright heart-shaped region, informally known as Tombaugh Regio, can be broken into two geologically...
NASA puts Pluto and its heart on a valentine
Say it with Pluto? After NASA’s New Horizons spacecraft spotted a heart-shaped region on Pluto, you had to know it was just a matter of time before the dwarf planet made its appearance on a valentine. Sure enough, this year’s crop of printable Valentine’s Day cards...