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Periodical

Building Knowledge.

Subjects: CHEMICAL processes; FOSSIL DNA; PLANT DNA

  • Source: Scientific American. Dec2023, Vol. 329 Issue 5, p18-18. 4/7p.

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Periodical

Quick Hits.

Subjects: SEDIMENTS; PLASTIC marine debris; LIZARDSTYRRHENIAN Sea; ITALY

  • Source: Scientific American. Jul2020, Vol. 323 Issue 1, p17-17. 1/2p. 1 Map.

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Periodical

Damming Evidence.

Subjects: REGULATION of rivers; INFRASTRUCTURE & the environment; DAMS

  • Source: Scientific American. Aug2019, Vol. 321 Issue 2, p16-17. 2p. 2 Graphs.

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Academic Journal

The case for relic life on Mars.

  • Authors : Gibson EK Jr; National Aeronautics and Space Administration, Johnson Space Center, Houston, Tex., USA.; McKay DS

Subjects: Exobiology* ; Fossils* ; Mars*

  • Source: Scientific American [Sci Am] 1997 Dec; Vol. 277 (6), pp. 58-65.Publisher: Scientific American Country of Publication: United States NLM ID: 0404400 Publication Model: Print Cited Medium:

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Academic Journal

An extraterrestrial impact (accumulating evidence suggests an asteroid or comet caused the Cretaceous extinction).

Subjects: Biological Evolution* ; Meteoroids* ; Minor Planets*

  • Source: Scientific American [Sci Am] 1990 Oct; Vol. 263 (4), pp. 78-84.Publisher: Scientific American Country of Publication: United States NLM ID: 0404400 Publication Model: Print Cited Medium:

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Periodical

Flammable Ice.

Subjects: GASES in marine sediments; GLOBAL warming; METHANE & the environment

  • Source: Scientific American. Nov99, Vol. 281 Issue 5, p76. 8p. 7 Color Photographs, 4 Diagrams.

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Periodical

End of the Proterozoic Eon.

Subjects: PROTEROZOIC stratigraphic geology; RADIOCARBON dating; EVOLUTIONARY theories

  • Source: Scientific American. Oct91, Vol. 265 Issue 4, p64. 9p. 7 Color Photographs, 3 Diagrams, 2 Graphs.

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Academic Journal

Expanding the limits of life.

Subjects: Ecosystem* ; Origin of Life*; Geologic Sediments/Geologic Sediments/Geologic Sediments/*chemistry

  • Source: Scientific American [Sci Am] 2009 Dec; Vol. 301 (6), pp. 62-7.Publisher: Scientific American Country of Publication: United States NLM ID: 0404400 Publication Model: Print Cited Medium:

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Academic Journal

A shifting band of rain.

Subjects: Climate Change* ; Rain*; Cyanobacteria/Cyanobacteria/Cyanobacteria/chemistry

  • Source: Scientific American [Sci Am] 2011 Mar; Vol. 304 (3), pp. 60-5.Publisher: Scientific American Country of Publication: United States NLM ID: 0404400 Publication Model: Print Cited Medium:

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Academic Journal

When earth was a snowball.

Subjects: Biological Evolution* ; Ice Cover* ; Origin of Life*

  • Source: Scientific American [Sci Am] 2011 Feb; Vol. 304 (2), pp. 32.Publisher: Scientific American Country of Publication: United States NLM ID: 0404400 Publication Model: Print Cited Medium:

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  • 1-10 of  115 results for ""SEDIMENTS""