- ScienceDaily
- 20/1/18 15:50
Researchers say they have designed a laser diode that emits the shortest-wavelength ultraviolet light to-date, with potential applications in disinfection, dermatology, and DNA analyses.
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- ScienceDaily
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- ScienceDaily
- 20/1/18 00:21
Few singers reach their sunset years with the same voice they had in younger days. Songbirds are no different. New research reveals that elderly swamp sparrows don't sound quite like they used to -- nor do they strike the same fear in other males who may be listening in. Humans are remarkably good at guessing a person's age by their voice. But this is the first time the phenomenon has been...