Elon Musk criticized MS NOW contributor Paola Ramos after a video went viral last week. In this video, she repeatedly denies the existence of genetic differences between groups of different ancestry.

Ramos shared A clip from her Instagram From her interviews with pronatalist activists. The pronatalist movement believes that modern civilization is experiencing a devastating decline in birth rates and that this must be reversed by encouraging people to have more children. Ramos warned in her Instagram caption, “The far right is once again launching a campaign to encourage people to have more kids. Remember, Trump said he wanted to be a ‘baby president.'”

Ramos is the daughter of a Telemundo journalist and a prominent Trump critic Jorge Ramos, Talked to neuroscientist Malcolm Collins and his wife Simone Collins. The couple wrote the “Pragmatist’s Guide” series, which advocated maintaining a healthy culture and birth rate to preserve civilization. In the clip from the interview that went viral, Ramos challenged Malcolm, saying, “Malcolm, you said ‘Black women are biologically different than white women.'”

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MS NOW writer Paola Ramos is the daughter of Jorge Ramos, who went viral for her heated argument with a neuroscientist about whether there are genetic differences between people of different ancestry. (Kevin Winter/Getty Images)

“They, yes, they have a different fertility window, they have a higher rate of fertility complications—” he began.

“But there’s no scientific evidence that black women and white women are genetically different, right? It’s like —” Ramos began.

“What are you talking about!?” shouted the neuroscientist. “Like, literally, there are genes coding for their skin color!”

“It’s like, government data, this isn’t me, this is the NIH, this is the American Medical Association, there’s no scientific evidence for this,” Ramos claimed.

Malcolm rejected this claim.

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Elon Musk has repeatedly warned that countries must address rapidly declining birth rates if they want their cultures to survive. (Apu Gomez/Getty Images)

“What you’re saying is factually incorrect,” Malcolm said. “Humans are genetically diverse, and humans being genetically diverse is not a bad thing.”

“I’m not saying it’s a bad thing or a good thing, I’m just saying there’s no scientific evidence,” Ramos said.

“There’s scientific evidence, there’s overwhelming scientific evidence,” Malcolm said. “It’s like saying the sky isn’t blue. Like, it’s the genes that code for their skin color, right? Those genes are clearly different in them than they are in us. How is that not science? It’s like a basic fact. The genes that code for their skin color, their level of melanin production, are different than my genes.”

“That’s exactly why I asked the question,” Ramos replied. “Because I think for some people, like you, who believe that people are genetically different, that’s been used historically to promote racial hierarchies, right? That’s why I’m asking you.”

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Musk, another Advocate of pronatalism Warning that low birth rates are “one of the greatest risks facing civilization,” he responded to Ramos’ video with a laughing emoji. Others on social media compared her interview to something “Borat” satirizes trolls doing, while others were confused that she chose to share the video in the first place.

Ramos did not immediately respond to a request for comment.