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Hace 8 horas · Hank Green. William Henry Green II (born May 5, 1980) is an American YouTuber, science communicator, novelist, and entrepreneur. He produces the YouTube channel Vlogbrothers with his older brother, author John Green, and hosts the educational YouTube channels Crash Course and SciShow. He has advocated for and organized social activism, created ...
Hace 8 horas · The human skull is used universally as a symbol of death.. Death is the irreversible cessation of all biological functions that sustain a living organism. The remains of a former organism normally begin to decompose shortly after death. Death eventually and inevitably occurs in all organisms. Some organisms, such as Turritopsis dohrnii, are biologically immortal, however they can still die ...