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Tag: "duck" at biology news

Molecular mechanism of feather formation found

...rs. Termed pennaceous, these feathers occur in the duck and other birds, including adult chickens, and are not characterized as downy. The more primitive young chicken feathers, which are downy, are called plumalaceous. "We don't have empirical evidence for this yet, but mathematical analyses lead us to ...

Restaurant seafood prices since 1850s help plot marine harvests through history

... in the 1950s. And the price of a wild canvasback duck meal rose from today's equivalent of $20 in the 1860s to $100 in 1910 as stocks collapsed. Professional hunters harvested up to 1,000 per day to supply restaurants, says Dr. Jones, fostering the federal government's decision to outlaw the commercial ...

Virtual duck bills demonstrate species coexistence

... me to create exact, three-dimensional replicas of duck bills complete with articulating joints" said Gurd...as allowed me to determine the particle sizes each duck could ingest and the rate at which they could ingest them." D. Brent Gurd, "Predicting resource p...

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(Date:9/30/2014)... runoff in Hawaii is causing tumors in endangered sea ... published Tuesday in the peer-reviewed open-access journal PeerJ ... in algae that the turtles eat, promoting the formation ... organs. , Scientists at Duke University, the University of ... conducted the study to better understand the causes ...
(Date:9/30/2014)... Ludwig-Maximilians-Universitaet (LMU) in Munich report that a new ... sensitive to chemotherapeutic drugs. They have also pinpointed ... target for anti-tumor agents. , Researchers led ... Sieber of the Technische Universitt Mnchen have identified ... new weapon in the fight against malignant tumors. ...
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