"This is rural Iowa," Michael Berrier, an officer with the Iowa Division of Criminal Investigation, told "Killer Siblings," airing Fridays at 8/7c on Oxygen. "Murders don ... of $65,000 by two white ...

The Fitbit Sense 2 is a good option if you’re interested ... The low profile watch estimates your heart rate and your oxygen saturation levels (how much oxygen is getting to your tissues).

Iron single-atom catalysts are shown to achieve high oxygen reduction reaction activity by stabilizing a high-spin Fe 3+ N 4 centre, which optimizes intermediate binding and catalytic turnover.