bridges

Theories abound about who is responsible for the attack and how they did it. On Wednesday, Russia arrested eight men alleged to have set off a truck bomb. Ukraine says Russia planned the attack.

Much of Winston-Salem's infrastructure is “aging out” simultaneously. That's according to a report presented to City Council on Monday.

In the Indian state of Meghalaya, one of the wettest places on Earth, villagers are separated by rivers and valleys. To stay connected, they coax tree roots to grow together into living bridges.