Spotlight science news stories

Hybrid Cars -- Pros and Cons

If you listen to the makers, hybrid cars are the best invention since sliced bread. While there are many reasons to buy a hybrid car, including a new tax incentive for US owners, it helps to have a good understanding ...

Jan 19, 2006 feature
3.6 / 5 (1015) 1

Greenhouse theory smashed by biggest stone

A new theory to explain global warming was revealed at a meeting at the University of Leicester (UK) and is being considered for publication in the journal "Science First Hand". The controversial theory has ...

Mar 14, 2006
2.8 / 5 (1075) 0

Electronic tattoo display runs on blood

Jim Mielke's wireless blood-fueled display is a true merging of technology and body art. At the recent Greener Gadgets Design Competition, the engineer demonstrated a subcutaneously implanted touch-screen ...

Feb 21, 2008 weblog
4.5 / 5 (465) 50

Why a hydrogen economy doesn't make sense

In a recent study, fuel cell expert Ulf Bossel explains that a hydrogen economy is a wasteful economy. The large amount of energy required to isolate hydrogen from natural compounds (water, natural gas, biomass), ...

Dec 11, 2006 feature
4.1 / 5 (468) 13