Water might be older than we first thought, forming a key constituent of the first galaxies
Water may have first formed 100–200 million years after the Big Bang, according to a modeling paper published in Nature ...
Hosted on MSN9d
What Is the Life Cycle of a Star?
When observing the night sky, it's easy to forget that every point of twinkling light is a star at some point in its life ...
Johns Hopkins Medicine20d
Tetralogy of Fallot (TOF)
Tetralogy of Fallot (TOF) is a combination of four congenital (present at birth) heart defects that affect infants and children. The defects occur together and change the way blood flows through the ...
qualitysafety.bmj29d
A primer on PDSA: executing plan–do–study–act cycles in practice, not just in name
1 Centre for Quality Improvement and Patient Safety, University of Toronto, Toronto, Ontario, Canada Too often, however, improvement teams go through the motions of PDSA cycles without really ...