Explaining Nature on Instagram: "When it comes to speed in the animal kingdom, few creatures can rival the greyhound and the cheetah. The greyhound, often called the “Ferrari of dogs,” can reach speeds of up to 45 mph (72 km/h), powered by its lean frame, deep chest, and explosive leg muscles. Bred for racing and hunting, these dogs combine endurance with aerodynamic efficiency, allowing them to maintain incredible velocity over short distances. But even the greyhound pales in comparison to the

Invention on Instagram: "Countersinking screws is a method used to create a small conical recess so the screw head can sit level with or below the surface of the material. This technique is common in woodworking, metalworking, and construction because it improves both the look and the function of the final product. When done properly, it prevents sharp or uneven screw heads from sticking out and catching on other materials or surfaces. It also helps with strength and precision. When a screw head