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This morning on "world news now," searching for clues around a college campus in grief. new details about the santa barbara rampage suspect and attempts to stop his madness. >> forced me to suffer all of my life. >> as the community tries to pull together today for a day of mourning. frustrating find. the nigerian military claims to have found the missing schoolgirls but there are no plans to launch a rescue. major developments overnight. tech bikes, new gadgets help you get a charge out of pedal power. >> makes you feel stronger, city smaller. hills flatter. >> innovations to put more fun...

It is testing contact lenses, not to make you see better or connect your eyes to the internet but to help people with diabetes monitor their blood sugar levels. this is amazing. joining us to discuss this is brett larson. he is the host of tech bikes. hugh would this work? >> it is kind of fascinating. it is a contact lens that has censors on it that detect the glucose levels in your tears. it means no more pinpricks on the finger to check the glucose levels or the constant need to find out how much insulin that they need to inject themselves with throughout the day. >> how does it -- it doesn...