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Episode Title Date Audio Documents
283 Pacific Ring of Fire September 28, 2022
282 DNA Out of Thin Air September 21, 2022
281 Super Cool Cities September 14, 2022
280 Ferns Get Social September 7, 2022
279 Fantastic Ferns August 31, 2022
278 Depleting the Ogallala Aquifer August 24, 2022
277 Making a 200,000-Year-Old Bed August 17, 2022
276 Water Conservation August 10, 2022
275 It’s Always Oyster Season August 3, 2022
274 Powerful Pot Ash July 27, 2022
273 White Sands Footprints July 20, 2022
272 Cloudy with a Chance of Bugs July 13, 2022
271 Monsoon Rains July 6, 2022
270 More Valuable Than Gold June 26, 2022
269 Energy Efficiency of Condors June 19, 2022
268 Lake Kivu’s Explosive Secret June 12, 2022
267 A Fragile History June 5, 2022
266 Fireflies Flash May 29, 2022
265 Darwin’s Terraforming Experiment May 22, 2022
264 Very Slow Slips May 15, 2022
263 A New Way to Measure Rainfall May 8, 2022
262 South Pole Sleepover May 1, 2022
261 Tuxedoed Torpedoes April 24, 2022
260 Surviving a Landslide April 17, 2022
259 Fertilizers Feed the World April 10, 2022
258 Disappearing Rainbows April 3, 2022
257 Tornado Genesis March 27, 2022
256 Coelacanth Centenarians March 20, 2022
255 Saint Patrick’s Snake-Free Ireland March 13, 2022
254 Sponges on the Move March 6, 2022
253 Snowball Earth February 27, 2022
252 Biomass Census February 20, 2022
251 Vikings in North America February 13, 2022
250 Pleistocene Avocados February 6, 2022
249 Ancient Antibiotic January 30, 2022
248 Smoky Stratosphere January 23, 2022
247 The Northwest Passage January 16, 2022
246 Undersea Avalanches January 9, 2022
245 Memoir of a Mammoth January 2, 2022
244 Not a Creature Was Stirring December 25, 2021
243 The Fahrenheit Few December 18, 2021
242 Space-Rock Shooting Stars December 11, 2021
241 Driftless Oasis December 4, 2021
240 A Story on Paper November 27, 2021
239 Long-Haul Godwit November 20, 2021
238 Suez Traffic Jam November 13, 2021
237 Marie Curie’s Double Nobel November 6, 2021
236 Beneficial Bats October 30, 2021
235 (Re)Birth of the Amazon October 23, 2021
234 P Is for Life October 16, 2021
233 Yes, We Had No Bananas October 9, 2021
232 Super-Sniffers October 2, 2021
231 Earth, Wind and Water September 25, 2021
230 Flamingo-Pink Lakes September 18, 2021
229 Man Made Fire, Fire Made Man September 11, 2021
228 Flammable Planet September 4, 2021
227 Cold Lightning August 28, 2021
226 Seismic Whale Song August 21, 2021
225 Death Valley’s Slithering Stones August 14, 2021
224 Gems from Deep Earth or Space August 7, 2021
223 Polar Excursions July 31, 2021
222 Earth’s Flipping Poles July 24, 2021
221 Mosquito-Inspired Injections July 17, 2021
220 The Thing about String July 10, 2021
219 Coral Bleaching July 3, 2021
218 Maya Water Purification June 26, 2021
217 Earthquake Early Warning June 19, 2021
216 Kola Superdeep June 12, 2021
215 Cycling Milanković June 5, 2021
214 Earth’s Odd Orbit May 29, 2021
213 Astronaut Geology Camp May 22, 2021
212 The Original Moon Shot May 15, 2021
211 Solar Superstorm May 8, 2021
210 Topping Off Everest May 1, 2021
209 Farming the Seas April 24, 2021
208 Ocean Giants April 17, 2021
207 A Really Odd Mammal April 10, 2021
206 The Value of Snowpack April 3, 2021
205 Bite of the Bumblebee March 27, 2021
204 The Deepest Dive March 20, 2021
203 The Deepest Deep March 13, 2021
202 Beneficial Viral DNA March 6, 2021
201 Fossil Viruses February 27, 2021
200 The Man ON the Moon February 20, 2021
199 Legends of Amethyst February 13, 2021
198 Your Friendly Virome February 6, 2021
197 Blue-blooded Horseshoe Crabs January 30, 2021
196 Horseshoe Crabs: Living Fossils January 23, 2021
195 Why Fish Don’t Freeze January 16, 2021
194 How Snowflakes Grow January 9, 2021
193 Winter Sun Close Encounter January 2, 2021
192 Just a Second December 25, 2020
191 How 10 Fingers Became 12 Hours December 18, 2020
190 Wondrous Waterfalls December 11, 2020
189 Under Greenland’s Ice Sheet December 4, 2020
188 Platinum Record for the Ice Age November 27, 2020
187 Death Apples in Paradise November 20, 2020
186 Making the Invisible Visible November 13, 2020
185 125 Years of X-Rays November 6, 2020
184 Creepy Corpse Flowers October 30, 2020
183 How Do Animals Vote? October 23, 2020
182 Anoles Get a Grip October 16, 2020
181 Hanging with Geckos October 9, 2020
180 Copper’s Superpower October 2, 2020
179 Riding the Jet Streak September 25, 2020
178 Equinox Alignments September 18, 2020
177 Sunspot Strandings September 11, 2020
176 Nickel Farming September 4, 2020
175 Honeybee Blight August 28, 2020
174 The Business of Bees August 21, 2020
173 How Bees Make Honey August 14, 2020
172 The Buzzy Life of HoneyBees August 7, 2020
171 The Oldest Story Ever Told July 31, 2020
170 Aboriginal Star Maps July 24, 2020
169 75 Years into the Atomic Age July 17, 2020
168 The Day's Getting Longer July 10, 2020
167 Swarming Locusts July 3, 2020
166 Finding Faults with the Inca June 25, 2020
165 The Ever Green Stone June 18, 2020
164 Maximizing GPS June 11, 2020
163 Ultra-Black June 4, 2020
162 Pando - A Forest of One May 28, 2020
161 Low-Temperature Geothermal May 21, 2020
160 Making the Great Lakes May 14, 2020
159 Mammoth Traps May 7, 2020
158 Illuminating Incandescent Bulbs April 30, 2020
157 The Dust Bowl 3: Resolution April 23, 2020
156 The Dust Bowl 2: Disaster Strikes April 16, 2020
155 The Dust Bowl 1: Storm Brewing April 9, 2020
154 True Blue April 2, 2020
153 The Amazing Monarch Relay March 26, 2020
152 Iceland, the Geothermal Pioneer March 19, 2020
151 Atmospheric Rivers March 12, 2020
150 California’s Super Flood March 5, 2020
149 Preserving with Salt February 27, 2020
148 Floating Rocks February 20, 2020
147 Plight of the Pangolin February 13, 2020
146 Airbursts February 6, 2020
145 Caught in Quicksand January 30, 2020
144 Gold in Them Thar Trees January 23, 2020
143 The Great Triassic Floods January 16, 2020
142 Tragedy on Ice January 9, 2020
141 Why is Ice slippery? January 2, 2020
140 Spinning a New Years Tale December 26, 2019
139 The Miracles of Reindeer December 19, 2019
138 Avalanche! December 12, 2019
137 Hot Springs Eternal December 5, 2019
136 Earth’s Loneliest Species November 28, 2019
135 Last Branch on the Family Tree November 21, 2019
134 Undersea Aquifer November 14, 2019
133 Weight of Water November 7, 2019
132 Why Pines Are Evergreen October 31, 2019
131 Blue Sky, Blue Sunset? October 24, 2019
130 Water, Water Everywhere October 17, 2019
129 Ice Age Rebound October 10, 2019
128 Salmon Are Born to Navigate October 3, 2019
127 Fall Colors September 23, 2019
126 Two Sides of the Sun September 16, 2019
125 The Essential Element September 9, 2019
124 Starting Off on the Wrong Foot September 2, 2019
123 The Wandering Pole August 26, 2019
122 Triple North Pole August 19, 2019
121 Carving a Canyon August 12, 2019
120 Homing Pigeons August 5, 2019
119 How Earth Makes Fresh Water July 29, 2019
118 The Star of India July 22, 2019
117 Green Iceland/Icy Greenland July 15, 2019
116 Tuskless Elephants July 8, 2019
115 The Geology of Fireworks July 1, 2019
114 Cooler in the Mountains June 24, 2019
113 Pterosaurs June 17, 2019
112 Beach Reading June 10, 2019
111 Fire Weather June 3, 2019
110 Wildfires May 27, 2019
109 (Almost) A Watershed Event May 20, 2019
108 Magnetoreception May 13, 2019
107 Spindletop May 6, 2019
106 The Scent of Rain April 29, 2019
105 Migrating Plants April 22, 2019
104 Climate Escalator April 15, 2019
103 The Alien Element April 8, 2019
102 Core of the Realm April 1, 2019
101 The Man and the Canyon March 25, 2019
100 Full Steam Ahead March 18, 2019
99 Storing CO2 March 11, 2019
98 Spidey Silk March 4, 2019
97 Surviving the Asteroid February 25, 2019
96 Real-World Apocalypse February 18, 2019
95 Minerals Evolve, Too February 11, 2019
94 Swimming with Sharks February 4, 2019
93 Earth’s Ocean Conveyor January 28, 2019
92 Why the Greeks Liked Earthquakes January 21, 2019
91 Our Most Common Element January 14, 2019
90 Trees Can Talk January 7, 2019
89 The Secret Life of Soil December 31, 2018
88 Volcanoes and Eclipses December 24, 2018
87 Winter Solstice Celebrations December 17, 2018
86 Powering the World December 10, 2018
85 The Iceman Goeth December 3, 2018
84 Ice Age Brexit November 26, 2018
83 So Cheap Yet So Valuable November 19, 2018
82 Water of Life November 12, 2018
81 Ripples in Earth’s Crust November 5, 2018
80 High-Impact Mystery October 29, 2018
79 Rivers of Wind October 22, 2018
78 Best Friends Forever October 15, 2018
77 Tale of Two Volcanoes October 8, 2018
76 Managing Aquifers October 1, 2018
75 What a Waste! September 24, 2018
74 Bugs on the Wing September 17, 2018
73 Cleopatra Loved the Flood September 10, 2018
72 Devils Tower September 3, 2018
71 The Curious Tale of Whales August 27, 2018
70 From Greenhouse to Icehouse August 20, 2018
69 Greenhouse–Icehouse Earth August 13, 2018
68 Fire in Ice August 6, 2018
67 Amazing Caves July 30, 2018
66 Who Killed the Neanderthals? July 23, 2018
65 More Earthquakes, More Places July 16, 2018
64 Fossil Water July 9, 2018
63 Storing Energy in Air July 2, 2018
62 California’s Sinking Valley June 25, 2018
61 Stories Hidden in Pollen June 18, 2018
60 Melting Permafrost June 11, 2018
59 The Colorful History of Paint June 4, 2018
58 How Old Is Earth? May 28, 2018
57 The First Americans May 21, 2018
56 El Niño May 14, 2018
55 World’s Oldest Water May 7, 2018
54 The Mediterranean Desert April 30, 2018
53 Cloud Microbes April 23, 2018
52 Human-Induced Earthquakes April 16, 2018
51 Rare Earth Elements April 9, 2018
50 World’s Tallest Mountain April 2, 2018
49 One-Part Harmony March 26, 2018
48 Lightning Safety March 19, 2018
47 The Water Cycle March 12, 2018
46 Birth of a Monster March 5, 2018
45 Fantastic Beasts February 26, 2018
44 Hail, Zealandia February 19, 2018
43 Water from Thin Air February 12, 2018
42 Exploring Earth’s Driest Deserts February 5, 2018
41 Hadrosaur Hightails It January 29, 2018
40 The Man in the Moon January 22, 2018
39 Cities Made of Sand January 15, 2018
38 Venice Holds Back the Sea January 8, 2018
37 Hurricane Harvey January 1, 2018
36 Recycling Carbon December 25, 2017
35 Life on Ice December 18, 2017
34 Global Smartphones December 11, 2017
33 The Great Smog December 4, 2017
32 Our Unmapped Ocean November 27, 2017
31 Under Pressure—Geysers November 20, 2017
30 Dinosaurs in Your Backyard November 13, 2017
29 Digging Soil November 6, 2017
28 Secrets of the Glacier October 30, 2017
27 Lightning Strikes October 23, 2017
26 Prehistoric Soundscape October 16, 2017
25 The Many Facets of Salt October 9, 2017
24 Dust in the Wind October 2, 2017
23 Landslides September 25, 2017
22 Measuring Gravity from Space September 18, 2017
21 Earth’s Changing Gravity September 11, 2017
20 Lithium Chill September 4, 2017
19 The Amazing Miracle Material August 28, 2017
18 Carbon Opposites August 21, 2017
17 Your Place in the World August 14, 2017
16 Total Eclipse of the Sun—8/21/17 August 7, 2017
15 The Longest Mountain Range July 31, 2017
14 The Dawn of Vision July 24, 2017
13 The Year Without a Summer July 17, 2017
12 Your Most Ancient Possession July 10, 2017
11 Magnetic Storms July 3, 2017
10 Eternal Calcium June 26, 2017
9 Tiny Titan June 19, 2017
8 Lithium Power June 12, 2017
7 CSI Pliocene: Lucy June 5, 2017
6 Geodynamo May 29, 2017
5 Diamond Data May 22, 2017
4 Great Extinctions May 15, 2017
3 Life on a Giant Magnet May 8, 2017
2 The Day the Earth Shook May 1, 2017
1 Precious Water April 24, 2017