Trench mouth, also known as necrotizing gingivitis, is a severe gum disease caused by different types of bacteria. It is a non-contagious condition that leads to painful, bleeding gums and open ...

When a project calls for compacting material in a trench, it's important to make sure you use the appropriate compactor for the conditions. "Like any compaction job, the challenge starts with ...

Dan Snow:When the war ended, life in the trenches was captured again and again in poems, novels, art and later films, all of which powerfully put across the horrible conditions soldiers experienced.

Deep-sea fish adapt to some of the most extreme conditions on Earth. New research analyzing their evolution finds the same ...

Trenches were long, narrow ditches dug into the ground where soldiers lived. They were very muddy, uncomfortable and the toilets overflowed. These conditions caused some soldiers to develop a ...

After weeks of digging, the area around the small town of Medvedivka, near a crossing to mainland Ukraine, is webbed with an elaborate trench system stretching several miles. The passages are cut ...