A field service engineer works beside a mobile welding van to replace worn excavator bucket teeth. Using specialist tools and equipment, the damaged teeth are removed and new components fitted to ...

You probably don't think twice when you turn on a faucet or flush the toilet. It's just water, right? But here's the truth: ...

Teeth help animals bite and chew food. Meat-eating carnivores tend to have sharp teeth to sink into their prey, while herbivores tend to have flatter teeth to grind down their plant-based meals. Some ...