As tablet sales slow, Amazon sees a way to widen its share: by enticing ultra-budget-minded buyers.
Healthier proteins may be the key to the long life span of naked mole rats.
A new study asks why some people stay healthy into old age.
“Tunable” windows would let people adjust light and heat levels, but so far it’s been hard to make them affordable.
A simple, cheap device turns sunlight into hydrogen fuel.
A novel electrochemical process sequesters carbon in the form of a versatile building material.
No other means of storing energy may be able to reach the scale required to run Germany on solar and wind power.
Evaporative cooling plus drying with desiccants equals cool air for less cost.