SGU Episode 943

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SGU Episode 943
August 5th 2023
943 Perucetus colossus.jpg

"A new species of early whale might be the heaviest animal which has ever lived. While its exact weight is debatable, its unusual bones mean scientists can be certain it was no ordinary cetacean." [1]

SGU 942                      SGU 944

Skeptical Rogues
S: Steven Novella

B: Bob Novella

C: Cara Santa Maria

J: Jay Novella

E: Evan Bernstein

Quote of the Week

Insofar as a scientific statement speaks about reality, it must be falsifiable; and insofar as it is not falsifiable, it does not speak about reality.

Karl Popper, Austrian-British philosopher 

Download Podcast
Show Notes
Forum Discussion

Introduction, Florida DOE bans AP Psych; politicizing public education[edit]

Voice-over: You're listening to the Skeptics' Guide to the Universe, your escape to reality.

Glassblowing and other "experience parties" (8:16)[edit]

What's the Word? (13:13)[edit]

News Items[edit]






(laughs) (laughter) (applause) [inaudible]

Glass-Coated DNA (17:15)[edit]

Why Heat is Deadly? (27:01)[edit]

Australian Psychics (44:41)[edit]

Speech Deepfakes (54:19)[edit]

Special Report: Electric Vehicle Myths (1:01:47)[edit]

E: ... _text_of_Evan_mentioning_Amprius_CEO_interview_

Quickie with Bob (1:27:11)[edit]

Who's That Noisy? (1:30:39)[edit]

New Noisy (1:33:47)[edit]

[Mechanical beeps]

J: ... what this week's Noisy is ...

Announcements (1:34:34)[edit]


Science or Fiction (1:39:37)[edit]

Theme: Volcanos

Item #1: About 30% of the world's population live under potential threat from volcanic activity.[7]
Item #2: The Pacific Ring of Fire contains 75% of the world's volcanoes and is the location of 90% of all earthquakes.[8]
Item #3: The largest recorded volcanic eruption was Mount Tambora in Indonesia, which killed about 100,000 people, and rated a VEI-7 out of 8 on the Volcanic explosivity index.[9]

Answer Item
Fiction 30% under potential threat
Science Ring of Fire volcanos, quakes
Mount Tambora eruption
Host Result
Steve win
Rogue Guess
Ring of Fire volcanos, quakes
30% under potential threat
30% under potential threat
30% under potential threat

Voice-over: It's time for Science or Fiction.

Bob's Response[edit]

Evan's Response[edit]

Jay's Response[edit]

Cara's Response[edit]

Steve Explains Item #3[edit]

Steve Explains Item #2[edit]

Steve Explains Item #1[edit]

Skeptical Quote of the Week (1:50:16)[edit]

Insofar as a scientific statement speaks about reality, it must be falsifiable; and insofar as it is not falsifiable, it does not speak about reality.

Karl Popper (1902-1994), Austrian-British philosopher, academic and social commentator


S: —and until next week, this is your Skeptics' Guide to the Universe.

S: Skeptics' Guide to the Universe is produced by SGU Productions, dedicated to promoting science and critical thinking. For more information, visit us at Send your questions to And, if you would like to support the show and all the work that we do, go to and consider becoming a patron and becoming part of the SGU community. Our listeners and supporters are what make SGU possible.


Today I Learned[edit]

  • Fact/Description, possibly with an article reference[10]
  • Fact/Description
  • Fact/Description



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