Scientists propose early Earth plate tectonics by self weakening
A Nature study by David Bercovici and Yanick Ricard suggests Earth's lithosphere fractured into plates through a self weakening feedback driven by convection in the mantle. The model places the start of plate formation about 4 billion years ago with complete fractures by 3 billion years ago and explains Venus lacks plates due to higher temperatures preventing lasting damage.
MENTIONED IN THIS ARTICLE
Earth
Nature
David Bercovici
Yale University
Yanick Ricard
University of Lyon
Solar System
Venus
How one T. rex upended the fossil market
The 1997 Sotheby's auction of Sue the Tyrannosaurus rex drew bidders from the Smithsonian and Field Museum of Natural History. Field Museum secured Sue for a record sum, reshaping fossil collecting and igniting public interest while the Smithsonian pursued alternatives.
MENTIONED IN THIS ARTICLE
T. Rex
Sotheby’s
New York
Sue
South Dakota
Upper East Side
Smithsonian
National Museum of Natural History
David Redden
Scott Chinery
Natural History Museum
Washington
Redden
Chinery
Field Museum of Natural History
Chicago
National Mall
Army Corps of Engineers
Bozeman
National Fossil Hall
Randall Kremer
Michael Brett Surman
John McCarter
Smithsonian Institution
Board of Regents
McCarter
Fred Turner
McDonald’s
Fred
Ronald McDonald House
Walt Disney
Field Museum
Stan
Washington Post
Pfizer and Lilly report CDK4/6 inhibitor activity in breast cancer
Pfizer said palbociclib extended progression free survival to 20.2 months in advanced hormone receptor positive breast cancer. Lilly reported bemaciclib shrank or stabilized tumors in 61 percent of patients across five tumor types, including 36 with breast cancer, with 9.1 months progression free.
MENTIONED IN THIS ARTICLE
Pfizer
Eli Lilly
Lilly
Richard Finn
University of California At Los Angeles
Jonsson
Lilly’s
Mark Schoenebaum
ISI Group
New York
Also Mentioned on This Page
Science
Louvre
Themed Entertainment Association
Montana Wildlife Refuge
Johnson
Peter Larson
Sue Hendrickson
Cheyenne River Indian Reservation
Larson
Black Hills Institute of Geological Research
Hendrickson
Maurice Williams
Williams
Cedar Rapids
Erie
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