It's May, time to start keeping an eye out for severe weather, mow your lawn, and get ready for summer coming next month. Today's stories:

• The Apple Watch is credited with saving another life...but this time it wasn't the owner's heart that was having problems
• Olloclip has released the Connect X Lens System for the iPhone X
• The Lumos Smart Bike Helmet gets additional HealthKit and Apple Watch integration, and is available in Apple retail stores
• The third betas of the latest versions of iOS, macOS, watchOS, and tvOS are now available to developers