SGU Episode 800

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SGU Episode 800
November 7th 2020
(brief caption for the episode icon)

SGU 799                      SGU 801

Skeptical Rogues
S: Steven Novella

B: Bob Novella

C: Cara Santa Maria

J: Jay Novella

E: Evan Bernstein

Quote of the Week

I have the nerve to walk my own way, however hard, in my search for reality, rather than climb upon the rattling wagon of wishful illusions.

Zora Neale Hurston, American anthropologist

Download Podcast
Show Notes
Forum Discussion


Voiceover: You're listening to the Skeptics' Guide to the Universe, your escape to reality.

COVID-19 Update ()[edit]

News Items[edit]






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

Amulets and COVID-19 ()[edit]

Right to Try and COVID ()[edit]

Earth-Sized Rogue Planet ()[edit]

Forest Regrowth ()[edit]

Lava Growth ()[edit]

Who's That Noisy? ()[edit]

New Noisy ()[edit]

[pulsating sounds with some echoing]

Questions/Emails/Corrections/Follow-ups ()[edit]

Correction #1: Bee Balls ()[edit]

I was just listening to podcast #799 and your discussion on the murder hornet. Cara briefly mentioned the bee ball as a defensive measure honey bees can take. But that is incorrect. Only the Japanese honey bees can form the bee ball as a defensive measure to surround and cook the invading Asian giant hornet. The European honey bee does not and is therefore completely defenseless against the Asian giant hornet. That is why there is such a huge concern, as all the commercial honey bees in the US are the European honey bees. Here are some references: Japanese bees' protective behaviors; Meet the "hot defensive bee ball," one of the craziest tactics in the animal kingdom[7] Love the podcast! Stay safe, wash your hands, and wear a mask.

– Albert from Seattle

Dumbest Thing of the Week ()[edit]

Science or Fiction (1:31:30)[edit]

Answer Item
Fiction 2000+ known craters
Science Largest is oldest
Largest diamond dep
Host Result
Steve win
Rogue Guess
Largest diamond dep
Largest diamond dep
2000+ known craters
2000+ known craters

Voiceover: It's time for Science or Fiction.

Theme: Impact Craters[9]
Item #1: The largest impact crater on Earth, Vredefort Crater, South Africa, at 300km wide, is also the oldest, over 2 billion years.
Item #2: The largest single diamond deposit in the world was formed by a meteorite impact, and contains a greater volume of diamonds than all other deposits combined.
Item #3: There are over 2,000 known impact craters on Earth.

Bob's Response[edit]

Evan's Response[edit]

Cara's Response[edit]

Jay's Response[edit]

Steve Explains Item #1[edit]

Steve Explains Item #2[edit]

Steve Explains Item #3[edit]

Skeptical Quote of the Week ()[edit]

I have the nerve to walk my own way, however hard, in my search for reality, rather than climb upon the rattling wagon of wishful illusions.
Zora Neale Hurston (1891-1960), American anthropologist

Signoff/Announcements ()[edit]

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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