This week Prof. William Chaplin joins us to talk about the sun and helioseismology!

• Prof. Bill Chaplin
• Music of the Sun (Book)

Fun Paper Friday

• Which is heavier, a pound of feathers of a pound of lead? Which feels heavier? Find out in this week’s Fun Paper!
• Wagman, Jeffrey B., Corinne Zimmerman, and Christopher Sorric. ““Which Feels Heavier—A Pound of Lead or a Pound of Feathers?” A Potential Perceptual Basis of a Cognitive Riddle.” Perception 36.11 (2007): 1709–1711.

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John Leeman - www.johnrleeman.com - @geo_leeman

Shannon Dulin - @ShannonDulin