We have not yet been able to extract DNA from the bones of any australopithecine for comparison with modern human DNA. When we can do this, it is almost certain that we will discover many of their genes still in us today. Beginning around 2.5 million years ago or a bit earlier, there was a major forking in the evolutionary path of hominins.
An UNO fitter is a large threaded ring in the middle of the fabric shades top tripod. It is designed to thread onto UNO sockets. UNO sockets have the same matching thread on their socket shell. The most common application for this type of shade and holder is the bridge arm floor lamp.
In electrical wiring, a light switch is a switch, most commonly used to operate electric lights, permanently connected equipment, or electrical outlets. Portable lamps such as table lamps may have a light switch mounted on the socket, base, or in-line with the cord. Manually operated on/off switches may be substituted by dimmer switches that allow controlling the brightness of lamps as well as turning them on or off, time-controlled switches, occupancy-sensing switches, and remotely controlled switches and dimmers.