The Melanin Math We Should’ve Learned in School.
It’s Black History Month, and I recently came across Bill Nye the Science Guy explaining something that should be taught in every American classroom but somehow isn’t: the scientific basis for why humans have different skin colors.
His explanation is simple, clear, and rooted in evolutionary biology. All modern humans descended from African populations. As our ancestors migrated out of Africa to different parts of the world, they encountered varying levels of UV radiation. Dark skin — rich in melanin — evolved as protection against intense equatorial sunlight, preventing DNA damage and preserving folate, which is critical for fetal development. When humans migrated to higher latitudes with less intense sunlight, lighter skin became advantageous for synthesizing vitamin D efficiently in low-UV environments. That’s it. Skin color is an evolutionary adaptation to geography and climate — not evidence of separate “races,” not a marker of superiority or inferiority, not a justification for anything except dermatological sun protection recommendations.
Yet here we are in 2026, still debating melanin levels as if they hold significance beyond sunburn risk and vitamin D metabolism.
The Implications Are Staggering
If we taught this science accurately — that humanity is one species, that we all originated in Africa, that skin color is simply an adaptive response to sunlight exposure — we couldn’t sustain the racial hierarchies that underpin so much of our social, economic, and healthcare systems.
You can’t build chattel slavery on a foundation of “we’re all African descendants with different sunscreen needs.”
You can’t justify health disparities when you understand that race is a social construct with zero biological validity.
You can’t maintain the myth of white supremacy when basic evolutionary biology explains that Black people are the original humans and everyone else is just a geographic adaptation.
The Age of AI and the Persistence of Ancient Lies
Here’s what keeps me up at night: We’re living in the age of artificial intelligence. We have technology that can decode genomes, predict protein structures, and process information at speeds that would have seemed like magic a generation ago. We have AI systems that can explain complex scientific concepts to anyone with an internet connection.
And yet, we’re still organizing society around racial hierarchies that have zero scientific basis.
Why?
Because racism was never about logic or evidence. It was always about power, resource allocation, and the need to justify exploitation. The science has been clear for decades — race is not biologically real. But we’ve built entire economies, legal systems, healthcare infrastructures, and social orders on the lie that it is.
AI doesn’t make us smarter if we refuse to learn. Technology doesn’t make us more humane if we use it to amplify the same old biases. We can build algorithms that replicate hiring discrimination, predictive policing that targets Black communities, and healthcare AI that underestimates Black patients’ pain — all while having access to the evolutionary biology that proves race is fiction.
The question isn’t whether we have the information. We do. The question is whether we dare to act on it.
Black History IS Human History
This Black History Month, I’m not interested in the sanitized, feel-good version of history that makes white America comfortable. I want the science taught. I want children to understand that when we say “Black history,” we’re talking about the beginning of all human history. We’re talking about the evolutionary blueprint from which all human variation emerged.
I want medical students to learn that race-based medicine — using skin color as a proxy for genetic difference — is scientifically indefensible and actively harmful. The reason Black patients have worse outcomes isn’t biology; it’s racism in healthcare delivery, social determinants of health, and the compounded stress of navigating a system that was never designed for our survival.
I want the people who are so obsessed with “heritage” and “ancestry” to sit with the fact that if you go back far enough, your heritage is African. Your ancestors looked like me.
The Math Doesn’t Lie
Melanin isn’t a liability requiring correction. It’s the original human feature. Everything else is the variation.
This isn’t about Black pride versus white guilt. This is about scientific literacy and intellectual honesty. This is about recognizing that the entire architecture of racism collapses under basic evolutionary biology.
Bill Nye didn’t discover something new. Scientists have known this for decades. But we don’t teach it because the truth is destabilizing. The truth requires accountability. The truth demands that we dismantle systems built on lies about human difference.
So this Black History Month, let’s talk about melanin math. Let’s talk about evolutionary science. Let’s talk about the fact that in an era where AI can help us understand our shared humanity better than ever before, we’re still choosing division over truth.
We are not a subset of humanity. We are the origin story.
And that’s not pride. That’s just science.