Let's scan the whole planet with LiDAR | Chri...

What does healing look like for a refugee child? That's the question educational leader Erum Mariam asked when her team built the humanitarian "play labs": small, welcoming spaces where children displaced from their homes can play and reconnect with what they lost. From songs and ...  Show more

For thousands of years, the Klamath River in Northern California was home to one of the continent’s great salmon runs, creating abundance for the native Yurok Tribe … until a series of dams and a century of extraction nearly destroyed it. Indigenous advocate Amy Bowers Cordalis h ...  Show more

Ancient ruins, long grown over by massive forests, can be found painlessly -- thanks to lasers. Learn how LiDAR is preserving forests and uncovering lost Mayan infrastructure in this classic episode of BrainStuff, based on this article: https://electronics.howstuffworks.com/futur ...  Show more

How are archaeologists using high-tech tools to study ancient, forgotten ruins? We look at everything from radar to satellite imagery.

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Across the globe, vast swathes of land are being left to be reclaimed by nature. To see what could be coming, look to Bulgaria. By Tess McClure. Read by Sara Lynam. Help support our independent journalism at theguardian.com/longreadpod 

As part of a super 70s push to get Earth to a seat at the table of the Galactic Federation (in case there is, in fact, such a thing), astronomer Carl Sagan oversaw an ambitious project to launch a compilation of Earth’s greatest hits into deep space.