1. This undated photo shows Israeli Army 2nd.
2. This undated photo provided by the Ministry of Internal Affairs of Georgia shows part of a seizure of radioactive substances, including iridium-192 and europium-152.
3. This undated photo released by Google shows a contact lens Google is testing to explore tear glucose.
4. An undated file photo provided by Google shows one of their street mapping cars.
5. This undated image provided by the National Park Service shows an eagle nest.