Today's Apple World Today News Update podcast features stories that will be of interest to people with big forearms, those who keep their iPads plugged in all the time, and potential murderers:

• Apple's coming out with a larger version of the Sport Loop Apple Watch Band, perfect for those with monstrous forearms
• The iOS 11.3 update includes a new feature to help battery health on iPads that are plugged in all the time
• Heart rate data from an Apple Watch is being used as key evidence in an Australian murder trial