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From peacock tails to human nature. Sexual selection explains how choice, attraction, and desire have sculpted bodies, minds, and behavior.

Subscribe I. Introduction: Why the next great leap in AI won’t be a faster chip, but a living one. Imagine walking into a data center that doesn’t hum with the roar of cooling fans or radiate the blistering heat of overclocked GPUs. Instead, the room is silent, bathed in a soft, amber glow, and smells

How acupuncture works is still debated. Traditional medicine speaks of qi and meridians. This post explores spinal gating, brain networks, and context effects.

Introduction How this post came about The idea for this Bleeding Edge Biology series came from a personal experience. A family member has a chronic condition that has resisted treatment, and they are now looking to acupuncture for relief. Does acupuncture work? Watching someone you care about cycle through options changes this from an abstract

Organismal biology and ecology have primarily been defined by what scientists could observe from the outside. Researchers mapped migration routes, measured metabolic rates, and sequenced genomes with clinical precision. Yet, the field remained locked out of the internal lives of its subjects. Animal behavior was often treated as reactive instinct rather than intentional choice. That

Why the personalized mRNA cancer vaccine suddenly matters The phrase personalized mRNA cancer vaccine sounds like sci fi. Like nuclear fusion, it seems like a promise that will always live a few years away from reality. For decades, cancer vaccines have cycled through hope and disappointment. While the idea stayed attractive, the results remained stubborn.

Scientists are inching closer to creating lab made human eggs—and even sperm—from ordinary cells. A recent study marks real progress, building on animal work that already produced mice from lab-made gametes. The promise is immense, but precision and ethics will shape when this technology reaches the clinic.

Trump’s research funding cuts threaten health, climate, and innovation. Learn what’s at risk—and how you can help fight back to save American science.

What turns brain activity into conscious experience? Learn how researchers are using neuroscience to identify when and where awareness lights up in the brain.

Subscribe Introduction Climate change, deforestation, and species extinctions often seem like vast, distant forces. But our food choices, particularly when they include animals, directly drive these global challenges. The environmental impact of meat touches nearly every part of the planet, from the climate to forests, rivers, and wildlife.   Food production is responsible for roughly