There is variability in when and how cells divide during the development of embryos. While researchers traditionally believed this variability was an obstacle that needed to be regulated, the Hiiragi group now found that it actually promotes healthy development.
Stranded in the ER, seniors await hospital care and suffer avoidable harm
Every day, the scene plays out in hospitals across America: Older men and women lie on gurneys in emergency room corridors moaning or suffering silently