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: Engineering Around Extreme Events
Extreme events, such as super floods and hurricanes, are becoming more common, so civil engineers are trying to adapt civil infrastructure such as bridges to these unpredictable and sometimes devastating meteorological events. Engineer Ana Barros discusses how engineering can prepare us for extreme weather events, but also how changing climate and population conditions can affect the ability of infrastructure to hold up over time.
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