Hydraulic fracturing, also known as fracking, is a process used to extract oil and natural gas from deep underground shale formations. It involves pumping a mixture of water, sand, and chemicals into the ground at high pressure to create fractures in the rock, allowing
The Lernaean Hydra or Hydra of Lerna, more often known simply as the Hydra, is a serpentine lake monster in Greek mythology and Roman mythology. Its lair was the lake of Lerna in the Argolid, which was also the site of the myth of the Danaïdes. Lerna was reputed to be an entrance to the Underworld, and archaeology has established it as a sacred site older than Mycenaean Argos. In the canonical Hydra myth, the monster is killed by Heracles (Hercules) as the second of his Twelve Labours.