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Ann Kellan has produced TV, radio and web features, specializing in medicine, science and technology for over 25 years, and her work has been seen and heard in 211 countries around the world. She has researched, written and produced over 3,000 stories for CNN and local ABC affiliates in Atlanta, Baltimore, Providence and Rochester. She served as CNN's science correspondent and hosted CNN's award-winning newsmagazine show, "Science and Technology Week." She also created, produced and reported CNN's "Cool Science" segment, and was a feature story producer for two of Dr. Sanjay Gupta's hour-long specials, "Anatomy of Murder," and "The Science of Sleep." Ms. Kellan has received awards from the American Cancer Society, the Maryland Speech, Language and Hearing Association, Sigma Delta Chi, and the Foundation for Biomedical Research, and was particularly honored to be a repeat host of Intel's International Science Fair awards show. She is a graduate of the University of Virginia, and was the first woman president of the university's radio station, WTJU-FM.

Stories by:

• Antlers, Shells and the Toucan Beak
  What nature can teach us about making things stronger, lighter and sharper
• Neon Cancer Detector
  A UCSD researcher has developed a way to tag cancer cells for early detection in the blood stream
• Tongue Driver
  Steering a wheelchair with tongue movements could one day give quadriplegics a taste of independence
• Social Insects
  A sting operation to get the dirt on yellow jackets
• Bird Courtship
  Fembot helps researchers study America's most bizarre bird
• Eye on Home
  Engineer controls all his appliances by remote and tracks their energy use
• Cars Without Drivers
  Meet Boss--a new robotic car being programmed to get 100 percent on its driving test
• HERB the Robot Butler
  Who wouldn't want a butler to wait on them hand and foot? Meet HERB, a robot butler in training
• Monkey Business
  Primates and humans share a sense of fair play
• Batty for Bats
  These creatures of the night could be the models for future aircraft!
• "VisWall" Opens Door to Many Worlds
  This 3-D experience even allows students to practice surgical techniques
• Trading Textbooks for Twitter
  These college students are actually supposed to use their phones in class!
• Creeping, Crawling Caterpillars
  Roly-Poly role models for future robots
• Acrobatic Robots
  Dennis Hong is living his dreams ... literally ... in a lab filled with wacky robots
• Breast Cancer and Body Rhythms
  Could working the night shift alter a woman's body clock enough to cause breast cancer?
• Make Way for Ducklings
  What wood ducks are revealing about threats to our fine feathered friends
• Signing Made Easy
  From video games to cell phone apps, making sign language easier to learn
• Sleep Deprived Kids
  Getting enough shut-eye really matters for children, and those who are poor need it the most
• Disappearing Red Shrimp
  These legendary creatures may have something to teach us about survival, even as the clock is ticking on their habitats
• Virtual Self
  Your avatar may be just a virtual identity, but it can also affect how you are in the real world
• Orangutan Copy Cats
  How smart are copy cats? Maybe it depends on your species
• Bonobos and Chimpanzees
  Peaceful bonobos may have something to teach humans
• Ticket to Ride
  When to buy or not to buy
• Silver Saver
  Nanotechnology keeps the shine on silver
• Lab in a Can
  New robotic labs are now going mobile to collect ocean samples
• The Physics of Animation
  The best animators know their physics
• Science of Shopping: Cameras & Software That Track Our Shopping Behavior
• Bacteria--Energy Producers of the Future?
  These microbial fuel cells channel bacteria's hard work into energy
• Earthquakes to the Core--Researchers Drill Down at the Epicenter
  Scientists hope findings bring them closer to earthquake forecasting
• Dragonflies: The Flying Aces of the Insect World
  Research focuses on aerial feats such as hunting and mating in mid-air
• Want to Understand Drought? Follow the Water!
  Lifecycle of water in the Susquehanna River Basin may reveal answers for drought prone areas
• New Sensor System Tracks Firefighters Where GPS Fails
  Portable device locates missing firefighters--saves time and maybe lives
• Bionic Leg Makes Amputee Faster on His Feet
  This powered prosthetic is better at anticipating the next move
• New Mosquito Repellant Could Be Frightening ... for the Mosquitoes!
  Repellant overwhelms their odor sensors, scaring them away
• Sandfish Lizard Slithers Into Science Spotlight
  Desert reptile inspires new robot for rescue and other missions
• Electric Fish Charges up Research on Animal Behavior
  Weakly electric knifefish uses electric field to communicate, navigate, and hunt
• New Software Matches More Kidney Donations, Faster
  Game theory and market dynamics inspire new software that streamlines complicated matches
• "Movement Retraining" Can Reduce Knee Pain
  Sensors, custom software, and real-time feedback help people change their walk and possibly delay, eliminate knee surgery
• Manmade "Wall of Wind" Creates Hurricane Force Winds to Test Construction
  Manufacturers learn quickly if their products could withstand the real thing
• Dropsondes--Work Horses in Hurricane Forecasting
  Small cylinders dropped from airplanes gather atmospheric data on their way down
• National Ice Core Lab Stores Valuable Ancient Ice
  Lab supplies Arctic, Antarctic ice cores critical to climate research
• RoboBees: Design Poses Intriguing Engineering, Computer Science Challenges
  These tiny, flying 'bots' could one day help with search and rescue, weather mapping
• The Connection between Memory and Sleep
  Researchers found information can be better retained with reinforcing stimuli delivered during sleep
• Community College Cybersecurity Program Trains 21st Century Workforce
  Advanced Technological Education program produces skilled workforce for the front lines of cyber defense
• Printable Robots Designed to Be Consumer-friendly, Inexpensive
  Average person could design, customize and print a specialized robot in a matter of hours