Guppies can splash in the Little Kahunas play area, while bigger kids can slip down the high-speed tube slides or shoot hoops in the pool.

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Dr. Edwards and Dr. Steptoe worked with no public funding or direct research support at a time when the concept of a test-tube baby seemed the stuff of Orwellian science fiction.

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These printers use something like a toothpaste tube of plastic or other material held vertically in an X-Y plotter that squirts out thin layers of tiny dots of material that build up, layer by layer, to produce a 3D replica of the computer-generated design.

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Without the Tube, London would certainly not be as large or the successful mega-city it is today.

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More people now use their tablet or smartphone in the bedroom for late-night video viewing rather than switching on the tube, according to a new survey.

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Another advantage is that the patient will in theory not need to be "intubated" - a breathing tube inserted down the throat, and this should aid his or her recovery.

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The biopsies can be done through an endoscopy, in which a fiber-optic tube is placed in the mouth and down into the small bowel or through some even less invasive procedures.

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In bladder instillation, the prescription medication dimethyl sulfoxide, or DMSO, (Rimso-50) is placed into your bladder through a thin, flexible tube (catheter) inserted through the urethra.

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Daniel Harrison, who is four-and-a-half, has refused to eat or drink for most of his life and so is fed through a tube in his stomach.

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