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Home»Posts tagged with»sonar

Underwater Wreckage of Downed Indonesian Jetliner May Have Been Located

By VOA on Oct 31, 2018   Featured, National, National/World  

Underwater Wreckage of Downed Indonesian Jetliner May Have Been Located

Search and rescue crews may have located the wreckage of an Indonesian jetliner that crashed into the Java Sea just minutes after taking off from Jakarta early Monday morning. Military chief Hadi Tjahjanto said Wednesday that authorities “strongly believe” they have pinpointed the resting place of Lion Air Flight JT610, which disappeared from radar screens […]

Sperm Whales: Revealing the Mysteries of the Deep

By NOAA Fisheries on Feb 20, 2017   At Sea, Featured, Science/Education  

Sperm Whales: Revealing the Mysteries of the Deep

[wds id=”5″] Sperm whales have been a part of American culture ever since Captain Ahab set out aboard the Pequod to find the infamous white whale in Moby Dick. Large, noisy, and often social, sperm whales are a remarkable species found from the equator to the poles. Here are four reasons sperm whales are special: […]

How Bats Recognize Their Own “Bat Signals”

By TAU on Jan 28, 2016   Featured, Science/Education  

How Bats Recognize Their Own “Bat Signals”

Individual bats emit sonar calls in the dark, using the echo of their signature sounds to identify and target potential prey. But because they travel in large groups, their signals often “jam” each other, a problem resembling extreme radar interference. How do bats overcome this “cocktail party” cacophony to feed and survive in the wild? […]

For Pollock Surveys in Alaska, Things Are Looking Up

By Rich Press | NOAA Fisheries on May 22, 2015   At Sea, Featured  

For Pollock Surveys in Alaska, Things Are Looking Up

Shelikof Strait, in the Gulf of Alaska, is an important spawning area for walleye pollock, the target of the largest—and one of the most valuable—fisheries in the nation. This year, a team of NOAA Fisheries scientists went there to turn their usual view of the fishery upside-down. Scientists have been conducting fish surveys in the […]

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