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July 24, 2007: Links & Books

T. Rex Blood?


Notes from Montana: M. Schweitzer's Field Notes
Follow Mary Schweitzer's latest fieldwork through her blog on the North Carolina State University Web site.

The Tyrant Lizards: The Tyrannosauridae
Read about how T. rex and its close relatives might have lived on this Web site from the University of California Museum of Paleontology.

Dinosaurs and Other Extinct Creatures
This comprehensive site from the Natural History Museum in London offers information on more than 260 dinosaurs, including educational video clips and images of fossils.

The Paleontology Portal
Explore a career in paleontology, search a collection of fossil images, find links to geologic maps, and more.

The Life of Birds: Evolution
Is T. rex an ancestor of modern birds? Find out the latest thinking on the companion Web site to the PBS program "The Life of Birds."


Schweitzer, M. H., Wittmeyer, J. L., Horner, J. R. & Toporski, J. B. 2005. "Soft Tissue Vessels and Cellular Preservation in Tyrannosaurus rex." Science 307, 1952-1955.

Schweitzer, M. H., Wittmeyer, J. L., Horner, J. R. 2007. "Soft Tissue and Cellular Preservation in Vertebrate Skeletal Elements From the Cretaceous to the Present." Proc. R. Soc. B (2007) 274, 183-197.

"T. Rex Fossil Yields Soft Tissue"
National Science Foundation, March 25, 2005.

"T. Rex Analysis Supports Dino-Bird Link"
by Alan Boyle. msnbc, April 12, 2007.


The Microstructure of Dinosaur Bone: Deciphering Biology With Fine-Scale Techniques
by Anusuya Chinsamy-Turan. The Johns Hopkins University Press, 2005.

The Evolution and Extinction of the Dinosaurs
by David Fastovsky, David B. Weishampel, and John Sibbick. Cambridge University Press, 2005.

The Complete Dinosaur
edited by James Farlow and M. K. Brett-Surman. Indiana University Press, 1999.



HHMI Online Companion
The Howard Hughes Medical Institute provides an extensive collection of resources on epigenetics in its online companion to this segment of NOVA scienceNOW.
More on HHMI and its partnership with NOVA

Human Epigenome Project
Learn about current epigenetics research on this Web site from the Human Epigenome Project.

This comprehensive site offers news, articles, and other resources on the study of epigenetics.

Jirtle Lab at Duke University
On the homepage of Randy Jirtle's laboratory at Duke University, browse epigenetics-related articles, learn about current research projects, read recent academic publications, and more.

The official journal of the Epigenetics Society offers downloadable academic papers addressing new research in the field. Some articles require subscription.

Human Epigenome Project—Up and Running
On this Web site from the National Institutes of Health, learn about how methyl groups alter genetic expression and discover some of the practical applications of epigenetic research.


"Epigenetics: The Science of Change"
by Bob Weinhold. Environmental Health Perspectives, March 2006.


edited by C. David Allis, Thomas Jenuwein, Danny Reinberg, and Marie-Laure Caparros. Cold Spring Harbor Laboratory Press, 2006.

Chromatin and Gene Regulation: Mechanisms in Epigenetics
by Bryan Turner. Blackwell Publishing, 2002.



Headquarters Tour: Kryptos
Take an up-close look at the Kryptos sculpture on a virtual tour of the CIA facilities in Fairfax County, Virginia.

Elonka's Kryptos Page
Game developer, writer, and cryptographer Elonka Dunin has compiled a substantial list of Kryptos-related links, photographs, articles, and other information.

Kryptos—The DaVinci Code—The Solomon Key
This site tracks former CIA operative Richard Gay's attempts to decode the final cypher in the Kryptos sculpture.

American Cryptogram Association
Learn about making and breaking codes on this Web site.
Try your hand at deciphering a nearly unlimited number of cryptograms online or sign up to play competitively with other online code breakers.


"CIA Experts Still Spooked by Kryptos Puzzle"
by Mary Louise Kelly. Morning Edition, June 9, 2005.

"Solving the Enigma of Kryptos"
by Kim Zetter. Wired, January 2005.


The Code Book: The Science of Secrecy From Ancient Egypt to Quantum Cryptography
by Simon Singh. Anchor Books, 2000.

The Mammoth Book of Secret Codes and Cryptograms
by Elonka Dunin. Carroll & Graf, 2006.

Profile: Arlie Petters


Petters Research Institute
On this Web site, learn about the organization Petters created to teach math, science, and technology in his native country of Belize.

"A Journey to Bridge Math and the Cosmos"

Find out what inspired Arlie Petters to become an astrophysicist in this interview with the New York Times.

Gravitational Lensing
Using diagrams as well as photos from the Hubble Space Telescope, this NASA Web site offers a simple explanation of Petters' favorite subject.

A Brief History of Gravitational Lenses
Learn about Albert Einstein's early predictions of gravitational lenses, their eventual discovery, and their place in astrophysics today.

Harvard-Smithsonian Center for Astrophysics
Explore our solar system, the Milky Way, and other celestial phenomena on this Web site from this noted Harvard astronomical research center.

Big Think—Arlie Petters
Hear more from Arlie Petters in this interview on the Big Think website.


"Scientists Predict How to Detect a Fourth Dimension of Space"
Duke University News & Communications, May 25, 2006.

"Physicists Probe the Fifth Dimension"
by Alan Boyle. MSNBC, June 6, 2006.


Singularity Theory and Gravitational Lensing
by Arlie Petters, Harold Levine, and Joachim Wambsganss. Birkhäuser Boston, 2001.

Gravitational Lensing: An Astrophysical Tool
edited by Frédéric Courbin and Dante Minniti. Springer Books, 2003.


Any opinions, findings and conclusions, or recommendations expressed in this website are those of the authors and do not necessarily reflect those of the National Science Foundation, a cofunder of this site.