Differences in the activity of two genes in a cancer known as retroperitoneal liposarcoma may help identify tumors that require more aggressive treatment.
A study of beach-dwelling monkeys reveals that they make tradeoffs between cleaning sand from their food and eating quickly depending on their social rank.
Periosteal skeletal stem cells develop features of mesenchymal stromal cells in the bone marrow when they migrate into this tissue and so support bone marrow regeneration after injury.