A focused look at an air conditioning system on a 421 unit that stopped working, covering inspection steps and common causes of failure. What usually goes wrong first in systems like this?

People at the scene of an accident between a university bus and a passenger shuttle at Naivasha area, along the Nairobi - ...

Poet Phyllis Wheatley, born in 1753, was freed on this day in 1773. Kidnapped in Africa and sold as a slave when she was only ...