Similar to humans, cancer is the leading cause of death among older cats. It is caused by uncontrolled cell growth, and affects a wide range of cell types and organs in the body. Feline cancer initially manifests as a lump or bump on any parts of the body.
Adaptive headlights make driving at night or under low-light conditions safer, by adjusting the car's headlights to curves in the road. Rather than pointing directly at the space in front of the vehicle, they adjust to illuminate the area that the car will occupy next.
The auto industry in the USA voluntarily adopted amber front-turn signals for most vehicles beginning in the 1963 model year, though the advent of amber signals was accompanied by legal stumbles in some states and front turn signals were still legally permitted to emit white light until FMVSS 108 took effect for the 1968 model year, whereupon amber became the only permissible front turn signal colour.