Geothermal energy is alive and well

Geothermal energy is being used in isolated places. To get more geothermal energy, he said, we’d need to drill deeper into Earth. Read more about it here.

GameChanger program sponsors energy entrepreneurs

GameChanger sponsors entrepreneurs to work on new ways to produce and distribute energy. Read more about it here with Russ Conser.

Turning waste into a natural resource with Johannes Lehmann

Lehmann talked about turning farm waste - like leftover crops, manure, and yard waste - into a natural resource. Learn more about it here.

New driving aid helps keep your car on the road

WayPilot, developed by Norwegian researchers, helps keep your car in the driving lane. Read more here about this new driving aid.

Better agriculture: growing more food with less impact

"We want a kind of agriculture that's productive," he said, "but we can't afford to damage the environmental resources that agriculture largely relies upon."

A second Green Revolution with Jonathan Lynch

Lynch said the second Green Revolution can’t depend on irrigation or fertilizer. He said that to grow more food under tough conditions affordably, we’re going to have to breed plants with improved roots.

Common chemicals might scramble hormones’ signals

Certain common chemicals - found in everyday objects - might be scrambling our hormones' sensitive signaling. Read more about it here.

Tests for illegal nuclear activity with Ian Hutcheon

Physicist Ian Hutcheon is what you might call a nuclear detective. He looks for evidence of illegal nuclear activity. Read more about it here.

Sheril Kirshenbaum: Science needs creative, passionate communicators

Sheril Kirshenbaum says there's a gap in understanding between scientists and the rest of us. She talked about how scientists can close that gap.

David Rand: Happiness and sadness are contagious

A new study says that people who spend time with happy people are more likely to become happy themselves. Read more about happiness being contagious.