Uncategorized
- Astronomy
Heavenly Taffy: Galaxies in collision
Astronomers have discovered a pair of colliding galaxies connected by a bridge of high-speed electrons and elongated magnetic fields.
- Chemistry
Minimotor: Single molecule does some work
A single molecule has performed mechanical work—pulling and releasing a cantilever tip—when exposed to light.
- Physics
Unexpected Boost: A superconductivity killer’s silver lining
Among superconductors—materials able to conduct electricity without resistance—an effect that normally diminishes current-carrying ability surprisingly turns out to sometimes enhance it.
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In this article it was speculated that calorie restriction reduces the production of free radicals. We have found that food deprivation almost doubles concentrations of melatonin in various parts of the gastrointestinal system.
