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The Evolution of Flowers

Beverley J. Glover

in Understanding Flowers and Flowering: An integrated approach

Published in print:
2007
Published Online:
January 2008
ISBN:
9780198565970
eISBN:
9780191714009
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198565970.003.0001
Subject:
Biology, Plant Sciences and Forestry

Flowers are relatively recent innovations. The first land plants arose around 470 million years ago, but fossil evidence indicates that only after another 340 million years did the angiosperms ... More


Reconstructing the Crime

Gerrit L. Verschuur

in Impact!: The Threat of Comets and Asteroids

Published in print:
1996
Published Online:
November 2020
ISBN:
9780195101058
eISBN:
9780197561232
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780195101058.003.0013
Subject:
Earth Sciences and Geography, Geophysics: Earth Sciences

Just what happened to the dinosaurs? In the mind’s eye, travel back to the Cretaceous period, 65 million years ago. First, land in a region of the world that will someday be called Oklahoma. You ... More


Anthropocene

Jonathon Keats

in Virtual Words: Language on the Edge of Science and Technology

Published in print:
2010
Published Online:
November 2020
ISBN:
9780195398540
eISBN:
9780197562826
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780195398540.003.0008
Subject:
Computer Science, Programming Languages

In geological time, the human life span is almost immeasurably brief. The seventeenth-century archbishop James Ussher famously calculated from biblical events that Earth was formed in 4004 BCE; ... More


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