News Main Animals Archaeology Dinosaurs Earth History Human Animal Space Tech   Laroussi |   Open Wide... A cold plasma torch could help make root canals faster, less painful and reduce the chance of infection. | Discovery News Video   « back to article

advertisement Top Stories Today 27 May Memorial Day Skywatching: See Half Moon Pass Mars   27 May Everything You Need to Know About Sunscreen   26 May Dust to Dust: The Death of an Exoplanet   26 May SpaceX Capsule Has 'New Car' Smell   26 May Bigfoot: Beyond Footprints and DNA   25 May Flame Retardant Risk Varies By Race   25 May Weed-Killing Lasers Being Developed   25 May Wearable Energy: T-Shirts Could Charge Phones   25 May Dragon Capsule Berthed at Space Station   25 May TWiDN: Bigfoot & Giant Turtle Need to Get Tested     Take News With You! Grab the Widget

our sites

• Animal Planet
• Curiosity
• Discovery Channel
• Discovery Kids
• Discovery Fit & Health
• HD Theater
• Investigation Discovery
• Military Channel
• Oprah Winfrey Network
• Planet Green
• Science Channel
• TLC
• Turbo
• Velocity

• Consumer Guide Auto
• Consumer Guide Products
• Discovery Education
• Discovery News
• Discovery Retreats
• HowStuffWorks
• MyDiscovery
• Petfinder
• Student Competitions
• TreeHugger

video

• Discovery Channel Video

 

mobile

• Mobile Applications
• Wallpaper & Ringtones
• Mobile Video
• Mobile Web
• Text Alerts

shop

• Discovery Store
• DVDs & Books
• Custom Gear
• Toys & Games
• Gift Sets
• Sale
• Discovery Adventures
• Student Adventures
• Discovery TS
• Discovery Corporate Sales

stay connected

• Email Newsletters
• RSS
• Twitter
• Facebook

corporate

• Discovery Communications, LLC
• Viewer Relations
• Advertising
• Careers @ Discovery
• Privacy Policy
• Visitor Agreement

Image Credits Laroussi |

Copyright © 2012 Discovery Communications, LLC. The number-one nonfiction media company.