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Coal Waste Could Save Billions on Road Repairs

Fly ash, a byproduct of coal-burning electric power plants, could save billions of dollars if used in the repairing of U.S. bridges and roads, scientists told a meeting of the American Chemical Society in Anaheim, Calif., Tuesday.

Thriving North American Start-up Turns Trash into Source of Power

An powerhouse alternative energy start-up is transforming the way North America manages organic materials, turning food and animal waste into renewable energy and other useful products at its plants in British Columbia, Ontario, California and throughout the Mid-Atlantic, Midwest and Northeastern states.

Apps for Apes: Zoos Turn to Tablets to Keep Animals Engaged

When great ape keepers at the Smithsonian's National Zoo were deciding how to add more variety and enrichment to their animals' lives, they turned to Orangutan Outreach and a program that had seen great success in 12 other zoos around the world: Apps for Apes. Keepers introduced the Zoo's six orangutans to iPads: Bonnie likes to bang on the drums, Kyle prefers the piano and 25-year-old Iris is content to listen to the soothing sounds of the koi pond while watching animated fish splash.

Doctors Use 3-D Printer to Custom-design Implant for Baby

An infant who needed CPR every day often stopped breathing. With hopes dimming that the baby would survive, doctors tried an experimental technique never before tried on a human, they created a splint made out of biological material that effectively carved a path through Kaiba's blocked airway.

3D-Printed Pelvis Keeps Cancer Patient Walking

3D printing, in which a three-dimensional object of virtually any shape can be created from computer data, has enormous potential in the field of medicine, as one pioneering British surgeon has shown. Orthopedic surgeon Craig Gerrand used 3D printing to create a pelvis – the first of its kind – for a patient who had lost his to cancer.

Teen Uses Fibonacci Sequence to Make Solar Energy Breakthrough

Aidan Dwyer is just 13 years old but is already a patented inventor of solar panel arrangements. He noticed a pattern one day in the tangled mess of branches above him and began to investigate whether there is a secret formula in tree design and whether the purpose of the spiral pattern is to collect sunlight better.

Slow and Steady Mars Rover Finally Completes Red Planet Marathon

A time of 11 years, two months isn't much to brag about if you're running the Boston Marathon. It's pretty good if you're on Mars. NASA's "Opportunity" rover has finally traveled 26.2 miles from its landing site — the length of a standard marathon race — across the surface of Mars.