The untapped energy source that could power t...

Can anyone become happier? Psychologist Sonja Lyubomirsky studies this question in her lab, doing experiments on "happiness interventions" to see what kinds of actions elicit this sought-after emotion. In a quick talk, she shares the results of her work: a small shift that can ch ...  Show more

Hip-hop often gets blamed for its controversial lyrics. What if there was a way to actually measure its impact on people's lives? Analyzing 40 years' worth of radio station data and lyrics from rappers like Tupac, Dr. Dre, Jay-Z and Kendrick Lamar, economist Roland Fryer puts one ...  Show more

Oil: The prehistoric source of fuel that could drive us all into extinction. We need to pivot to renewable sources of energy, like water, wind and solar to save our planet. But is it actually possible to switch ALL energy sources to these renewables? Dan looks at the problems rus ...  Show more

As the world slowly moves away from using fossil fuels for electricity, one tiny Scottish island has proved it’s possible to rely almost entirely on renewables.

The inner Hebridean isle of Eigg used to get its power from diesel generators. But in 2008 its residents launc ...

New challenges for our power supplies in a warming world.

Global temperatures have been breaking records this summer. On some estimates, the earth is the hottest that it has been for about 125,000 years. In Phoenix, Arizona, temperatures have ...

Alternative sources of power are moving into the spotlight.

As the share of dispatchable power in our electricity system declines, with coal-fired plants giving way to variable wind and solar, maintaining reliable supplies to keep the lights on becomes more complex. Inve ...