By swapping replacement parts into the backbone of a synthetic hormone, UW-Madison graduate student Ross Cheloha and his mentor Sam Gellman, along with collaborators at Harvard Medical School, have built a version of a parathyroid hormone that resists degradation in laboratory…
Old Bones Stronger with Melatonin
Faleh Tamimi, a professor in McGill’s School of Dentistry, is the leader of a research team that has just discovered that melatonin supplements improve bone health, making bones stronger in elderly rats and therefore, potentially, in elderly humans too. “Old rats…

