Dec 16, 2025 · The American Heart Association report runs contrary to recent studies — and the group’s own guidelines — that found any amount of alcohol to be harmful.

2 days ago · An anonymous reader quotes a report from the New York Times: For a while, it seemed the notion that light drinking was good for the heart had gone by the wayside, …

Nov 25, 2025 · Light - Particle, Wave, Theories: With the dawn of the 17th century, significant progress was reawakened in Europe. Compound microscopes were first constructed in the …

Sep 15, 2025 · 13.2.1 Evidence for light as a particle For a long time, physicists tried to explain away the problems with the classical theory of light as arising from an imperfect understanding …

Jun 11, 2025 · The theory predicts that the combined effect of three focused laser pulses can alter virtual particles in vacuum, generating a fourth laser beam in a “light from darkness” process.

5 days ago · "Dark photon" theory says light's interference patterns may emerge from quantum particles, not waves, upending centuries of physics.

3 days ago · New observations of a nearby red giant star suggest that a long-standing explanation for how giant stars spread life’s essential elements through the galaxy may be incomplete. …