Need power but don't want to plug into a central electrical utility? Microturbines are flexing their muscles in niche applications.
Hot plasmas could dispose of toxic waste and produce hydrogen, without the harmful byproducts of combustion.
Concerns over particle dangers could slow nanotech's growth.
New hope for extracting natural gas from solid formations adds a hopeful ingredient to the energy future.
To paraphrase a wise science officer, the computing needs of the many outweigh the needs of the few. Scientists say new computing grids that put supercomputers in the hands of the masses could exponentially increase scientific discovery and spark new industries.
A controversy over 14th century climate shows the peril of letting politics shape the scientific debate.
Insights and opinions from our readers
Better catalysts could be the key to unlocking hydrogen as a source of efficient, reliable power.
Want to lose weight? Easy! Just remember the first law of thermodynamics: conservation of energy. Oh, and you'll have to not mind being hungry.
Web-based meeting space makes for cheaper virtual get-togethers