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Tracking the Evolution of Cancer, Cell by Cell
...Recent studies using these techniques to compare cells from different parts of the same tumor and over time have revealed their extreme diversity, providing an intimate portrait of the mutations...
To Settle Infinity Dispute, a New Law of Logic
...of the other holes in mathematics at the same time, has arrived at a crossroads. During a recent meeting at Harvard organized by Koellner, scholars largely agreed upon two main...
Time’s Arrow Traced to Quantum Source
...the nature of the Big Bang. Despite the recent progress in calculating equilibration time scales, the new approach has yet to make headway as a tool for parsing the thermodynamic...
Forging a Qubit to Rule Them All
Peering into his cabinet of curiosities on a recent spring day, Bob Willett, a scientist at Bell Labs in Murray Hill, N.J., nimbly plucked a tiny black crystal from the...
Evolving With a Little Help From Our Friends
...genus Nasonia, N. giraulti and N. longicornis, mate with their more distant relative N. vitripennis, the hybrid offspring die. Until recently, no one could figure out exactly why, but it...
Hints of Life’s Start Found in a Giant Virus
...and discarding genes that were no longer needed. Three recently discovered giant viruses — mimivirus (top), pandoravirus (middle) and pithovirus (bottom) — have caused scientists to rethink the importance of...
As Animals Mingle, a Baffling Genetic Barrier
...in their behavior. A deluge of genetic data in recent years suggests that interbreeding between species is more widespread than scientists ever imagined. “I think people will be surprised and...
Quark Quartet Fuels Quantum Feud
...perspective, a third view has recently gained ground: the belief that any simple model falls short. “These models might all have some aspect of the truth,” said Eric Braaten, a...
Lizard Stowaways Revise Principle of Ecology
...Helmus has exploited the rugged Anolis lizards to upend island biogeography theory. In a study published today in Nature, Helmus and his co-authors tracked the recent spread of Anolis lizard...