Rogue genetic elements previously dismissed as “junk” DNA may play a role in the development of some cancers, or at least act as a marker of the disease’s progression. That’s the conclusion of a study that found that some recurrent DNA sequences previously thought to be nothing more than molecular parasites appear to be active, but only in breast and colon cancer cells. “If this ‘junk’ DNA does tu
The full-wave simulation result when light is incident to the black hole (Image: Qiang Cheng and Tie Jun Cui) An electromagnetic “black hole” that sucks in surrounding light has been built for the first time. The device, which works at microwave frequencies, may soon be extended to trap visible light, leading to an entirely new way of harvesting solar energy to generate electricity. A theoretical
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