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NOVA scienceNOW•Season 3•Episode 10

T-Rex Blood, Epigenetics, Kryptos

Aug 20, 2008

T-Rex Blood? - Preserved soft tissue, including possible blood vessels and red blood cells, are turning up in dinosaur fossils. Epigenetics - Our lifestyles can change the way our genes are expressed, leading even identical twins to become distinct as they age. Kryptos - A coded sculpture

Previous episodeE9 · Asteroid, Island of Stability, Karl Iagnemma Next seasonSeason 4

Seasons6

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Season 3 Episodes10

Dark Matter, Mice, Crowd Wisdom

Personal Genome; Digital Art Authentication; Carbon Sequestration; Pardis Sabeti Profile

Saving Hubble, First Primates, Iraqibacter

Bird Brains, Space Storms, Smart Bridges

Leeches; SETI; Stem Cells; Edith Widder

Phoenix; Mammoth Mystery; Judah Folkman Tribute

Aging, Space Elevator, Maya from Space

Mass Extinction, 1918 Flu, Papyrus

Asteroid, Island of Stability, Karl Iagnemma

T-Rex Blood, Epigenetics, Kryptos

Cast4

Neil deGrasse Tyson

Neil deGrasse Tyson

Host

Z

Ziya Tong

Self (Correspondent)

P

Peter Standring

Self (Correspondent)

C

Chad Cohen

Self (Correspondent)

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Episode Summary

"T-Rex Blood, Epigenetics, Kryptos" is episode 10 of NOVA scienceNOW season 3. It aired on August 20, 2008.

Continue to Season 4 Best of Season 3