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

Liana Finck’s cartoons explore life’s big predicaments: what to make for dinner, how to leave a party without being rude, how to feel like more than a snack machine once you have a child. In today’s episode, Liana shares how drawing has become a practice for her to answer questio ...  Show more

We're living through oil wars, wildfire smoke and extreme weather driven by a warming planet. But environmentalist Bill McKibben says one thing is finally going right: the price of clean energy has plunged, making it cheaper than ever to power the world without burning fossil fue ...  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.