A conference presentation would have exposed flaws in some cash machines.
Solar technology that generates both heat and electricity could make solar energy practical in places that aren't sunny.
A study involving higher-resolution genetic screening suggests that healthy embryos may be wasted during IVF.
ESolar expects to start up its large solar thermal plant soon.
A new solar-cell design could cut costs and is suitable for large-scale flexible panels.
New research suggests that Oscar Pistorius may actually be at a disadvantage when sprinting.
Salamanders regrow limbs with less drastic cellular changes than previously thought.
Gerontology pioneer Leonard Hayflick discusses the biological causes of aging.
Sensors track devices' electricity, water, and gas consumption from one spot.