10 national animals that are rare, unusual, endangered or completely nonexistent.
Li-Fi could bring us faster Internet (and the light we need to read it)
December 1, 2015, 9:20 a.m. by Lloyd Alter
It will save energy too.
Anti-aging pill could allow everyone to live over 120 years old
December 1, 2015, 3:25 a.m. by Bryan Nelson
The Fountain of Youth in pill form? 'Miracle' drug that could make us all centenarians is set to begin human trials.
Lamp powered by a single plant can stay lit for hours
November 30, 2015, 9:09 p.m. by Bryan Nelson
No outlet needed for this lamp — just plug it into the nearest plant.
Grow your own artistic creations with algae-powered ink pens
November 30, 2015, 6:17 p.m. by Matt Hickman
It's nontoxic, time-lapse ink that you see ... and then you don't see ... and then you see again.
The clean energy breakthroughs that Silicon Valley billionaires are betting on
November 30, 2015, 4 p.m. by Michael d'Estries
Bill Gates, Mark Zuckerberg and other billionaires have announced a new private coalition to help fund development of nascent sustainable technologies.
What's the difference between Alzheimer's disease and dementia?
November 30, 2015, 12:58 p.m. by Jenn Savedge
The terms are often used interchangeably, but here's how they differ and what they have in common.