“Studies have found that many basic mental abilities, like attention, task switching, bodily coordination, and problem-solving, seem to work less well in space.”

“Even while his back was failing, the Spaniard's mental fortitude and ability to handle pressure was exemplary.”

“Success is clinched, in turn, when Mina discovers how to exploit her avowed kinship and intimacy with Dracula through the use of mental telepathy.”

“I still carry a mental image of them as the band of youthful adventurers who explored the local countryside on bikes during the long summers.”

“Is it any wonder that some of them, under so much pressure, go mental eventually?”