You can use wearables with GPS to keep track of wandering dogs. Others help you track animals’ physical activity. Now, two companies have the latest in wearable pet technology – collars that can check for a fever, monitor pulse and respiration, and even indicate if your pet is in pain.

For many patients, it has become a routine part of the medical process: Get a diagnosis or treatment plan and then seek a second opinion. A growing number of online services are offering second opinions and some are seeing increasing patient demand for a second set of eyes.

Until recently, bug eating in the United States was more closely associated with reality show competitions and fraternity hazings than with energy bars and coconut-chocolate chip cookies. But with the burgeoning success of several bug-laden food companies, human insect consumers seem to be on the rise.

Much more is highlighted in A Look Ahead.