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Kitty Wells' 1952 recording of "It Wasn't God Who Made Honky Tonk Angels" led to the introduction of female stars in the male-dominated country music genre (read more)

Featured Article: Axon

Diagram of a neuron showing the axon, dendrites, and cell body
An axon is a slender, armlike (or cable-like) projection that extends from the body of a neuron (nerve cell) and conducts nerve impulses along its length. Typically, but not always, axons conduct nerve impulses away from the cell body, causing at their terminal end the release of neurotransmitters into extracellular space, where they can excite or inhibit other neurons. In some sensory neurons, the nerve impulses travel along an axon from the periphery to the cell body.

In many cases, a neuron's axon can be very long, and as such is known as a nerve fiber. Giraffes have single axons several meters in length running along the entire length of the neck and a human motor neuron can be over a meter long, reaching from the lumbar region of the spine to the toes. However, some neurons have axons that are very short and even absent. Axons are the primary transmission lines of the nervous system.

Popular Article: Great Pyramid of Giza

Great Pyramid of Giza
The Great Pyramid is the oldest and the largest of the three pyramids in the Giza Necropolis bordering what is now Cairo, Egypt in Africa. The only remaining member of the ancient Seven Wonders of the World, it is believed to have been constructed over a 20-year period concluding around 2560 B.C.E. as a tomb for the Fourth dynasty Egyptian pharaoh Khufu (Cheops). It is sometimes called Khufu's Pyramid or the Pyramid of Khufu.

The enormity of the Great Pyramid poses a challenge for any who would attempt to explain how it could have been constructed. It is estimated to comprise some 2.4 million stone blocks averaging 2.5 tons (2.27 metric tons) each, plus additional blocks weighing considerably more lying deep within the pyramid where they serve special functions. Its height when new, 480.9 feet (146 m), would have been within 74 feet (21.3 m) of the top, 555 feet (169.7 m), of the Washington Monument in Washington, DC, which was built 4,444 years later. A number of alternative theories have been proposed to explain how the Great Pyramid was built.