1) The Earth's core is hotter than the surface of the Sun.

2) The Black Lives Matter movement, which gained prominence in 2013, advocates for racial justice and equality, addressing systemic racism and police violence against Black individuals.

3) In Greek mythology, the Minotaur is a mythical creature with the head of a bull and the body of a man. It dwells in the labyrinth of King Minos of Crete and is eventually defeated by the hero Theseus. The Minotaur symbolizes the primal and monstrous nature that resides within human beings.

4) The development of the microprocessor by Intel in 1971 paved the way for the modern computer and led to the exponential growth of computing power.