David Munns, “A Single Sky: How an Internatio...

In the early nineteenth century, the French naturalist Jean-Baptiste Lamarck proposed the first evolutionary theory of life and, with it, a new science: biology. Yet for centuries, evolutionary theorists have endeavored to discredit Lamarck and his theory of self-transforming org ...  Show more

The histories of trees in America are also the histories of Black Americans. Pecan trees were domesticated by an enslaved African named Antoine; sycamore trees were both havens and signposts for people trying to escape enslavement; poplar trees are historically associated with ly ...  Show more

Daniel talks about how astronomers can measure or deduce the mass of a star, and why it controls its fate.

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Since astronomers can't actually travel to a star, they rely on two ingenious methods to measure a star's distance from earth. Listen in as Marshall Brain breaks down the science of space measurement in this editor's choice podcast from HowStuffWorks.

We love to look at stars. But have you ever wondered just how big stars are? Listen to this fascinating chat with Dr. Gerard van Belle, Chief Scientist for the Navy Precision Optical Interferometer at Lowell Observatory and he is going to tell us about the cool technology they us ...  Show more

Measuring something as ubiquitous as starlight is no small task, but a group of researchers think they've found an answer. Learn more in this episode of BrainStuff, based on this article: https://science.howstuffworks.com/much-starlight-has-been-emitted-since-beginning-time.htm L ...  Show more