News
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PhysicsLight 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.
By Peter Weiss -
Health & MedicineMore Than an Annoyance: Breathlessness could be sign of bigger problems
People who have dyspnea, the sensation of being frequently out of breath, may have an increased risk of dying from heart problems.
By Nathan Seppa -
Planetary ScienceNew Partners: Hubble finds more moons around Pluto
Astronomers using the Hubble Space Telescope have spied two tiny moons orbiting Pluto, giving this planet a total of three satellites.
By Ron Cowen -
Dopamine gene ups schizophrenia risk
A long-term study of children with a rare chromosome deletion indicates that those who have a single copy of a gene that promotes a dopamine overload in the brain have an above-average risk of developing schizophrenia later in life.