A rugged sky-high plain in the heart of Bolivia, the Andean Altiplano is a natural wonder full of creatures adapted to some of Earth’s most brutal habitats. Its surreal deserts, restless volcanoes, and vast seas have remained unchanged for millennia.

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ROCKETCAM! Last week, on April 27, United Launch Alliance’s Atlas V precisely delivered 29 satellites for Amazon Leo, supporting their mission to help connect the world.

ROCKETCAM! Last week, on April 27, United Launch Alliance’s Atlas V precisely delivered 29 satellites for Amazon Leo, supporting their mission to help connect the world.

More than just a gorgeous cosmic spectacle, the northern lights reveal truths about the makeup of our planet and our sun, and they may even hint at the possibility of life on other planets.

Our understanding of the cosmos is limited not only by what we can see, but by the amount of time we have to see it. Fortunately, computer simulations are helping us see how galaxies interact over millions of years.

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Great day in the office last week.

Welcome to Virgin Galactic – The Spaceline for Earth.

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Great day in the office last week.

Welcome to Virgin Galactic – The Spaceline for Earth.

Register for updates and spaceflight reservations at https://www.virgingalactic.com/.

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Interstellar dust is a real threat to starships, but is it a dealbreaker? We look at speed, impact energy, and clever shielding.

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Worsening wildfires are causing unprecedented devastation worldwide, leaving communities to grapple with loss and the urgent need for solutions. Survivors of record-breaking fires in California and Hawaii highlight the deadly risk of flames and smoke. As these infernos age, responders harness new and old technologies to mitigate threats. Cutting-edge science is critical to understanding these complex events and safeguarding our communities. From the ashes, pioneers emerge to rebuild and adapt.

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When disaster leaves only a handful, can a civilization restart? We explore genetic bottlenecks, colony failure, and the limits of survival.

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Credits:
Genetic Bottlenecks – How Few People Can Start a World? Or Restart One?
Written, Produced & Narrated by: Isaac Arthur
Select imagery/video supplied by Getty Images

Chapters
0:00 Intro
10:56 Restoration
19:26 Practical Engineering