SCIENCE IN THE NEWS DAILY
Mysterious Sensory Organ Found in Whale's Chin
If you came face to face with a great whale, you might find a few surprises in its chin: Like whiskers, if you look closely at the surface. And, hidden inside the chin, lies a mysterious sensory organ, unknown to centuries of whalers and biologists.
You just need the right tools to find it: a high-tech, oversized x-ray machine, and the right saws to slice it into thin pieces that fit in a microscope.
A group of scientists based at the University of British Columbia, in Vancouver, BC, have done all that looking--and they discovered an organ that serves a crucial purpose and answers a longstanding mystery. How do great whales, such as humpbacks and blues, drive their jaws so wide open and then snap them shut, while swimming at full speed?
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PODCAST & VIDEO: 3D Printing Replacement Body Parts
Regenerative medicine, a fledgling field with the aim of regrowing parts from a person’s own cells, is being amplified with 3D-printing technology, which can now use organic materials to create scaffolds that cells need to grow into their final forms. Richard Wysk, a professor of industrial and systems engineering at North Carolina State University, discusses the latest successes with this research, and the timeline for creating more complicated structures.
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