TSA is expanding facial recognition technology at airports across the country. The agency says it only uses the face scans to verify travelers' identities, but privacy experts still have concerns.

Videos posted to social media show how facial recognition is being used to monitor people getting in and out of neighbourhood, while license plate readers track the movements of its citizens.

Review of the literature on relevant injection procedure found that injury to the sciatic nerve is associated with use of the dorsogluteal site for injection, because the sciatic nerve commonly ...