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These days, phylogeneticists – experts who painstakingly map the complex branches of the tree of life – suffer from an embarrassment of riches. The genomics revolution has given them mountains of DNA data that they can sift through to reconstruct the evolutionary history that connects all living beings. But the unprecedented quantity has also caused a serious problem: The trees produced by a number of well-supported studies have come to contradictory conclusions.
| 3 min read

Expensive, state-of-the-art medical devices and surgeries often are thwarted by the body’s natural response to attack something in the tissue that appears foreign. Now, University of Washington engineers have demonstrated in mice a way to prevent this sort of response. Their findings were published online this week in the journal Nature Biotechnology.
| 3 min read

ALBUQUERQUE, N.M. — NATO delegates toured Sandia National Laboratories during a three-day visit highlighting the labs’ programs that support extended deterrence to U.S. allies, as well as broader national security programs ranging from homeland security to preventing the proliferation of weapons of mass destruction.
| 2 min read

Quantum dots are tiny nanocrystals with extraordinary optical and electrical properties with possible uses in dye production, bioimaging, and solar energy production. Researchers at the University of Illinois at Chicago have developed a way to introduce precisely four copper ions into each and every quantum dot.
| 2 min read










