Why does the moon look bigger when it's near ...

We know rhubarb as a tart fruit that looks like pink celery, but it also has a bulbous underground storage unit that was used medicinally for millennia -- and lets it grow in complete darkness. Learn about the pie plant (and how rhizomes work) in this episode of BrainStuff, based ...  Show more

This marine bird carries the color of the ocean in its webbed feet, was named after an insult, and uses its excrement in creative ways. Learn about the blue-footed booby in today's episode of BrainStuff, based on this article: https://animals.howstuffworks.com/birds/blue-footed-b ...  Show more

The gargantuan black holes at the centers of galaxies seem impossibly large. How did they grow so large in the short history of our Universe?

Un observateur regardant la Lune descendre sur l'horizon aura l'impression qu'elle est plus grosse. Pour comprendre cette perception, considérée comme une illusion d'optique, plusieurs explications ont été avancées. Aucune, pourtant, ne paraît donner la clef de ce qui demeure en ...  Show more

Over the Moon: What if we, over at the mother company Earth, Inc., looked at "assets" in our solar system like a corporation looks at its assets? What if we set our sights on that ne'er-do-well moon? Find out how we could harness the moon's resources to do more of Earth's bidd ...

How many stars can we see in the sky? Thousands? Billions?

See omnystudio.com/listener for pr ...