May 17, 2021
As ships explored the world from the Age of Sail through 20th century, mariners kept detailed navigation records using the Sun and stars. Scientists scoured these ship logs, many of which are preserved in European libraries, for clues about Earth’s magnetic field. The work, published in 2000, created the first-ever magnetic field map for the past 4 centuries.
April 27, 2021
If someone offered you the chance to drop everything, fly to Hawaii, and spend four months trapped in a dome with seven strangers in the name of science, would you do it? For writer Kate Greene, the answer to that question was a resounding “yes.” Greene was one of eight people selected to crew the very first HI-SEAS Mars analogue mission in 2013.
March 22, 2021
Many of us know that tree rings can tell us how old a tree is. But there’s so much more we can learn from these seemingly simple lines.
February 8, 2021
If you were an ant living in an anthill in the Serengeti and you wanted to know whether an intelligent species lived on planet Earth, how could you tell? A particularly clever ant might pick up a radio signal and deduce that humanity exists, but how about subtler, indirect clues that, nevertheless, are a result of technological development?
December 7, 2020
Leland Melvin’s scientific career began during his childhood in Lynchburg, Virginia, when he created a fantastic explosion in his living room with an at-home chemistry set. Little did Leland or his family know at the time that he would become both a professional athlete and a NASA astronaut, flying two missions to the International Space Station.
November 18, 2020
The wind that carved the sandstone of Arches National Park into spectacular arches and towers also plucks them, like giant guitar strings, making them ring at low frequencies. Geoscientist Riley Finnegan and her colleagues in the Geohazards research group at the University of Utah are recording these arch songs in the Park and around Utah with seismometers, the same basic technology geologists use to listen for earthquakes, to learn their characteristic vibration frequencies—and how human noise affects them.
October 28, 2020
In this episode, the second in a two-part series, we chatted with Rodrigo Salvador, Curator of Invertebrates at the Museum of New Zealand, about the connections between giant squids and the Kraken, and Danielle J. Serratos, Director/Curator of the Fundy Geological Museum, about the links between prehistoric aquatic reptiles and the Loch Ness monster, respectively.
October 26, 2020
We’ve all heard stories about fantastical creatures that people swear they’ve seen and have evidence of but can never be confirmed. Think Bigfoot or the Loch Ness monster. Mermaids or the Kraken. While there’s no evidence backing the existence of these creatures, either in present day or at any point in the past, there must be a reason why such legends were created in the first place. In most cases, the legend in grounded in fact.
October 12, 2020
The latest episode of Third Pod from the Sun features an interview with planetary scientist Fran Bagenal, who has had a fascinating career working on NASA missions from Voyager to Juno and New Horizons. Currently working at the University of Colorado Boulder, Bagenal provides an overarching view of the different planetary missions going back a few decades and describes how the research and findings have built upon the innovations and discoveries that came before.
September 24, 2020
Well-documented torrential rains and unusually cold temperatures affected the outcomes of many major battles during World War I from 1914 to 1918. Poet Mary Borden described the cold, muddy landscape of the Western Front as “the liquid grave of our armies” in her poem “The Song of the Mud” about 1916’s Battle of the Somme, during which more than one million soldiers were killed or wounded.