LaMonte McLemore, Fifth Dimension Cofounder, Dies at 90
LaMonte McLemore, a cofounder and longtime member of the 1960s vocal group the Fifth Dimension, has died at age 90.
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Warped Fifth Dimension Could Be Home for Dark Matter, Say Physicists
A Spanish-German team proposes that dark matter could be fermions existing in a warped fifth dimension, a hidden realm beyond our familiar spacetime. In the warped extra dimension model, space is curved in a way that allows particles to migrate into this fifth dimension, remaining invisible to standard detectors while still exerting gravitational effects. The idea could explain why dark matter has eluded direct detection and may address the hierarchy problem, suggesting new physics beyond the Standard Model. Detecting such cross‑dimensional matter would be difficult, but future gravitational‑wave observatories could, in principle, pick up subtle effects if these fermions interact across dimensions.