A mysterious grey alien wearing a cowboy hat stands in a field, with an unknown liquid dripping from its fingers to the ground, set in the 1890s.

A highly detailed, black and white pencil drawing of a neuron network, with hundreds of neurons ranging in size, and active synapses glowing, in a cartoon comic book style.

Allan Kardec discusses his seminal work, The Spirits' Book, a foundational text of Spiritism that explores communication with the spirit world.

Learn about the fundamental principles of electric circuits, including voltage, current, resistance, and common components like wires, batteries, and switches.

一组描述夕阳下的美景和诗情画意的文字，描绘了夕阳下的自然美景和人文情怀。

Russian President Vladimir Putin is seen dancing at a public event, showcasing a rare lighthearted moment.

A young child rides a bicycle, demonstrating balance and coordination skills.