&lt;h2 class="entry-title"&gt;What Would Happen If You Fell Into A Black Hole?&lt;/h2&gt;
&lt;p&gt;&lt;span&gt;A new book,&lt;span&gt; &lt;/span&gt;&lt;em&gt;Black Hole Survival Guide&lt;/em&gt;, explores different theories of what would happen if you jumped into a black hole. Most of them are grizzly. As the reader traverses one of the great mysteries of the universe, they meet different fates. Author Janna Levin, a physics and astronomy professor at Barnard College at Columbia University in New York, makes a convincing argument that black holes are unfairly maligned—and are actually perfect in their creation.&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span&gt;&lt;a href="https://www.sciencefriday.com/segments/fall-black-hole/" target="_blank"&gt;Levin joins Ira to talk black hole physics and theories&lt;/a&gt;, and answer some SciFri&lt;/span&gt;&lt;span&gt; &lt;/span&gt;&lt;span&gt;listener questions along the way.&lt;/span&gt;&lt;/p&gt;
&lt;h2 class="entry-title"&gt;The Case Of The Vanishing Scallops&lt;/h2&gt;
&lt;p&gt;&lt;span&gt;Over the last two years, Long Island's Peconic Bay has &lt;a href="https://www.sciencefriday.com/segments/vanishing-scallops/" target="_blank"&gt;lost more than 90% of its scallops&lt;/a&gt;—bad news for a community where harvesting shellfish has long been an important part of the economy. Researchers are scrambling to discover why this is happening. Is it predation, climate change, illness—or maybe a combination of everything?&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span&gt;Joining Ira to talk about his research with the Peconic Bay’s scallops is Stephen Tomasetti, PhD candidate in marine science at Stony Brook University in Southampton, New York. They talk about what could be causing this devastation, and how a “scallop FitBit” could shed light into how these shellfish are feeling.&lt;/span&gt;&lt;/p&gt;
&lt;h2 class="entry-title"&gt;Composing A Sound Map Of An Ever-Changing River&lt;/h2&gt;
&lt;p&gt;&lt;span&gt;Annea Lockwood thinks of rivers as “live phenomena” that are constantly changing and shifting. She’s been drawn to the energy that rivers create, and the sound that energy makes, &lt;a href="https://www.sciencefriday.com/segments/sound-map-river/" target="_blank"&gt;since she first started working with environmental recordings in the 1960s&lt;/a&gt;.&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span&gt;One of her projects has been to create detailed “river maps” of the Hudson, Danube, and Housatonic rivers. Using stereo microphones and underwater hydrophones, she captures the gentle, powerful sounds of the water, along with the noises of insects, birds, and occasional humans she finds along the way.&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span&gt;Lockwood’s composition,&lt;span&gt; &lt;/span&gt;&lt;/span&gt;&lt;a href="http://www.annealockwood.com/compositions/a-sound-map-of-the-housatonic-river/" target="_blank" rel="noopener"&gt;&lt;span&gt;“A Sound Map of the Housatonic River”&lt;/span&gt;&lt;/a&gt;&lt;span&gt;—a decade old, this year—takes listeners on a 150-mile tour, from the headwaters in the Berkshire Mountains of Massachusetts, past sites of toxic PCB contamination, to the Connecticut Audubon sanctuary, where the river spills into Long Island Sound.&lt;/span&gt;&lt;/p&gt;

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Black Holes, Scallop Die-off, River Sound Map. Dec 18, 2020, Part 2

Science Friday and WNYC Studios