Whether an object floats or sinks in water is determined by the ratio of its weight compared to its volume. If an object of a certain volume weighs more than an equal volume of water, it sinks because ...

Researchers in China are reporting the development of miniature super-bouyant boats that float so well that an ordinary life preserver made from the same material might support a horse without sinking ...

Scientists have been trying to mimic the energy-generating ability of photosynthesis for decades. The ideal technology would be a device that integrates photovoltaic materials, which convert sunlight ...

*Refers to the latest 2 years of stltoday.com stories. Cancel anytime. Q Why do some logs float and some sink? — Holden Taggart, Merrimac, Wis. A Rodney Schreiner, chemistry department, University of ...