News
- Animals
Beyond Falsetto: Do mice sing at ultrasonic frequencies?
Male mice may serenade prospective mates at pitches about two octaves higher than the shrillest sounds audible to the human ear. With Audio.
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Bad Readout from DNA: Genes that act on brain may promote dyslexia
Studies conducted in the United States, Germany, and England indicate that two genes, both located on chromosome 6 and involved in orchestrating neural migration in developing brains, contribute to the severe learning disorder known as dyslexia.
- Physics
Light Pedaling: Photonic brakes are vital for circuits
A novel silicon microchip device slows and varies light-pulse speeds—a function considered critical for the development of photonic circuits based on light instead of electrons.
