Ellie Sattler (Laura Dern)glib and non-chalant mathematician and chaos theorist Ian Malcolm (Jeff Goldblum)Hammond helicoptered them to the biological preserve, where they boarded jeeps for a tour.With his wand, Remus Lupin repelled the creature with a spell to protect Harry, who claimed he heard a woman screaming [Harry""s memory of his mother on the night she was murdered] and had passed out at the sight - as his soul was partially sucked away by the creature.They knocked each other through various lower floor levels of the building as their colossal battle continued."Through the ship""s computer, Ripley learned the corporate machinations behind the alien - the Company employing them had deliberately rerouted them to pick up the alien, and that the crew was expendable ("Nostromorerouted to new co-ordinates.All the apes liberated themselves by escaping through he windowed dome above the play area, and they headed toward he city.