When extinct isn't: Questioning the term after a bird's return

Article Abstract:

Many species of presumed or possibly extinct plants, insects and other organisms are found during natural heritage surveys in North America since the year 1974. In order to avoid people from using the term 'extinct' indiscriminately, a Committee on Recently Extinct Organisms was formed in the late 1990s, devising criteria to determine extinction reliably, including rigorous taxonomic identification and a 50-year waiting period before declaring something extinct.

North America, Administration of Conservation Programs, Endangered Species, Identification and classification, Zoology, Animal taxonomy

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Superhot among the Ultracool: with atoms near absolute zero, Deborah S. Jin created a Fermi condensate--opening a new realm in physics that might lead to room-temperature superconductivity

Article Abstract:

The article focuses on the development of a Fermi condensate by researcher Deborah S. Jin, but also includes a brief overview of her educational background and career history. Jin and her team created molecules of fermions, in turn creating bosons, and then producing a condensate of those same bosons.

Bose-Einstein condensation, Superconductivity, Thermal properties, Mechanical properties, Fermions, Bosons, Jin, Deborah S.

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Talking bacteria

Article Abstract:

Quorum sensing, the phenomenon of talking bacteria, is presented. The ways in which bacteriaEs communicate, listen and collaborate with their own kind and with other species are discussed.

Behavior, Bacteria, Quorum sensing

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