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In This Issue
- Potent Promise: Essential Stemness: Scientists move closer to understanding the dual fates of embryonic stem cells — to divide or develop
- Potent Promise: Back to the Womb: Reverting adult cells to an embryonic state without creating embryos is a tricky business
- It’s Likely That Times Are Changing: A century ago, mathematician Hermann Minkowski famously merged space with time, establishing a new foundation for physics; today physicists are rethinking how the two should fit together
- This week's table of contents
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Searching In files, for Photography, Under the topic Earth
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Tasmanian tigers were hunted to extinction in the wild in the early 1900s, and the last tiger, or thylacine, died in captivity in 1936. But now scientists have resurrected a bit of the thylacine's DNA in a mouse.
Credit: Tasmanian Museum and Art GalleryPublished: Monday, May 19th, 2008Found in: Genes & Cells, Life and Paleobiology -
Artist's depiction of Mars Phoenix Lander on the planet's icy northern polar region
Credit: JPL/NASA, UAPublished: Friday, May 2nd, 2008Found in: Astronomy and Planetary Science
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