Key Takeaways

  • Astronomers may have found a new source for ultra-high energy cosmic rays in nearby micro quasars, potentially rewriting our understanding of particle acceleration in the universe.
  • The scientific community is grappling with the increasing influence of for-profit and politicized interests on research integrity, questioning the sustainability of the traditional honor system in scientific publishing.
  • Researchers have developed a promising new method for genetically modifying brain cells using lipid nanoparticles injected into brain ventricles, significantly increasing the efficiency of gene editing for potential treatments of neurological disorders.
  • The marketing of EMF-blocking stickers for up to $430 is presented as a prime example of pseudoscience, with claims lacking scientific coherence and relying on vague notions of ‘good’ and ‘harmful’ radiation.
  • Despite widespread public concern, scientific consensus, supported by studies like the WHO review, indicates that non-ionizing radiation from devices like phones and laptops poses no significant biological risk, with any potential effect limited to negligible tissue warming.
  • The podcast highlights the significant issue of science news media and influencers over-exaggerating the imminence and danger of scientific findings, particularly concerning global warming, for clickbait purposes, even when the underlying science is valid but nuanced.
  • Phrenology, while popular, did not directly influence psychology or artistic studies of the human form in the way initially suggested, with neurology being the more relevant field.
  • Picasso’s early artistic style was significantly influenced by African art, a fact that is now viewed critically due to appropriation and the presentation of tropes about savagery and primitivism.
  • The importance of mentorship and taking extra time to nurture newcomers in movements like skepticism and humanism can have a profound and lasting positive influence.

Segments

Scientific Integrity and Publishing (~00:09:46)
  • Key Takeaway: The scientific community faces challenges in maintaining integrity due to the increasing influence of for-profit and politicized interests, prompting a re-evaluation of traditional publishing practices and the role of peer review.
  • Summary: This segment focuses on an editorial from Retraction Watch discussing the historical handling of scientific misconduct and comparing it to the current landscape. The conversation explores the pressures of the publish-or-perish culture, the rise of predatory journals, and the potential for improvements through measures like pre-registration of experiments and more robust data verification. The participants debate whether the current system is still an honor system and the responsibilities of researchers, editors, and reviewers in upholding scientific standards.
Brain Gene Editing Advances (~00:25:05)
  • Key Takeaway: A new method using lipid nanoparticles to deliver CRISPR components into brain ventricles has achieved a therapeutically significant success rate in modifying brain cells, offering hope for treating developmental neurological disorders.
  • Summary: The discussion shifts to advancements in genetic modification, specifically focusing on the challenge of delivering gene-editing tools like CRISPR to the brain. The segment highlights a new study that significantly improves the efficiency of gene editing in brain cells by using lipid nanoparticles injected into the brain’s ventricles and employing mRNA for Cas9 production. This breakthrough addresses previous limitations of low success rates and potential immune responses, paving the way for potential treatments for conditions like Angelman syndrome.
Mersenne Primes and Computation (~00:36:33)
  • Key Takeaway: The discovery of a new, massive Mersenne prime number, 2^136,279,841 - 1, highlights the computational power of distributed computing and GPUs in exploring fundamental mathematical concepts.
  • Summary: Brian Wecht introduces the topic of prime numbers, explaining their definition and the challenges of finding large ones. He focuses on Mersenne primes and the Lucas-Lehmer algorithm, leading to the announcement of the latest largest known prime number. The segment touches upon the computational effort involved, the use of GPUs in its discovery, and the ongoing search for these numbers through distributed computing projects, while also clarifying that these extremely large primes have limited practical application compared to smaller ones used in cryptography.
Pseudoscience in Sports (~00:46:35)
  • Key Takeaway: An amulet worn by a professional hockey player, marketed as a ‘Lifetune One’ device, claims to neutralize electromagnetic field pollution and enhance biological function, but lacks scientific evidence and represents a form of pseudoscience.
  • Summary: The final segment addresses the use of a pseudoscience product by a professional athlete. The discussion details the claims made by the company Ares Tech about their ‘Lifetune One’ amulet, which purports to block harmful EMF radiation and improve athletic performance. The hosts debunk these claims, highlighting the lack of scientific backing, the dubious nature of their ‘patented’ sticker technology, and the common marketing tactics used by such companies, including citing irrelevant research and using vague, unscientific language.
EMF Sticker Pseudoscience (~00:51:39)
  • Key Takeaway: EMF-blocking stickers are marketed with unsubstantiated claims of absorbing ‘harmful’ radiation while allowing ‘good’ radiation, highlighting a lack of scientific basis and high profit margins.
  • Summary: The discussion revolves around the dubious claims of EMF-blocking stickers, questioning how they block radiation while phones still function, and noting the high price point for what is essentially a sticker.
EMF Health Risks Debunked (~00:52:37)
  • Key Takeaway: Scientific consensus, supported by extensive research, confirms that non-ionizing radiation from common electronic devices does not pose a biological risk, with any potential effect being negligible tissue warming.
  • Summary: The hosts and guest discuss the scientific evidence regarding the health effects of EMF radiation, referencing a WHO study that found no link between cell phone EMF and brain cancer, and emphasizing the precautionary principle versus actual evidence.
Atlantic Current Collapse Fears (~00:56:14)
  • Key Takeaway: While the potential collapse of the Atlantic Meridional Overturning Circulation (AMOC) is a real observed phenomenon due to global warming, news outlets tend to over-exaggerate its imminence and catastrophic consequences.
  • Summary: The conversation shifts to the potential collapse of key Atlantic Ocean currents due to global warming, discussing a recent study and interviewing Michael Mann, who clarifies that while the effect is observable, the timeline and severity are often sensationalized by the media.
Misinformation in Science Communication (~01:06:12)
  • Key Takeaway: Organizations like the EWG and media outlets contribute to the spread of pseudoscience by promoting fear-based narratives, often misrepresenting data and lacking scientific expertise, which erodes public trust in science.
  • Summary: Andrea Love discusses how NGOs, media, and even some scientists selectively reject science based on ideology, using examples like the EWG’s ‘Dirty Dozen’ list and a study on lead in tampons to illustrate how misinformation is propagated and amplified.
Phrenology’s Influence Debate (~01:44:44)
  • Key Takeaway: Phrenology’s direct impact on psychology and artistic studies of the human form is debated, with neurology being a more accurate historical influence.
  • Summary: The conversation begins with a correction regarding the influence of phrenology on psychology and art, clarifying that neurology was the more relevant field. The speakers discuss how artists attempted to understand the human form mechanistically, and how phrenology was incorrectly linked to this endeavor.
Picasso’s Artistic Influences (~01:45:51)
  • Key Takeaway: Picasso’s early distinctive style was largely appropriated from African art, a practice now viewed critically due to the historical context of colonialism and primitivism.
  • Summary: The discussion shifts to Picasso, with the speaker noting that his early influences were primarily African art, not phrenology. The appropriation of this art and its presentation within the tropes of savagery and primitivism of the time are highlighted as points of criticism.
Paul Kurtz and Mentorship (~01:47:01)
  • Key Takeaway: Nurturing and dedicating time to newcomers in a movement, as exemplified by Paul Kurtz’s interaction with a young skeptic, can foster significant personal growth and commitment.
  • Summary: Evan shares a quote from Paul Kurtz about skepticism and then recounts a personal anecdote about meeting Kurtz at his first skeptical meeting. Kurtz’s act of pulling him aside and mentoring him for a significant amount of time deeply influenced the speaker and highlighted the importance of such gestures.
Podcast Wrap-up and Support (~01:48:44)
  • Key Takeaway: Listener support through platforms like Patreon is crucial for the continued production of science and critical thinking-focused content like the Skeptics Guide to the Universe.
  • Summary: The hosts thank the audience and CSI for their participation, and then transition to the standard outro, encouraging listeners to support the show through Patreon and visit their website for more information.