What price would you pay for eternal youth? Some real-life vampires in California took part in a trial where they infused themselves with the blood plasma of young people, in an attempt to rejuvenate their brains and extend their lives.

For this Halloween special we gathered journalists from the dungeons at New Scientist towers: Rowan Hooper, Cat de Lange, Beth Ackerley, Sam Wong, Layal Liverpool, Leah Crane and Chelsea Whyte.

The team get their teeth stuck into the vampire experiments in Silicon Valley, and explain why blood plasma is thought to have regenerative properties. They also uncover the mystery of ghosts by exploring what’s going on in the brain when we see an apparition or have a near-death experience. They dive into a truly monstrous and destructive force in the universe - black holes! And they discuss zombie microbes and vampire squid.

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