Our data indicate that the risk of fatal injury for a 16- or 17-year-old driver increases with the number of passengers. This result supports inclusion of restrictions on carrying passengers in graduated licensing systems for young drivers.

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Transparent, UV-filtered, anti-freezing, and moisture-retention organohydrogel-based sensors are prepared by incorporating ions/microparticles into a binary solvent system.

An anti-freezing and moisturizing conductive hydrogel, capable of harvesting energy from moisture, was developed by incorporating tannic acid and carbon nanotubes into polyvinyl alcohol containing a water–glycerol dispersion.