Andrew Demchenko on Instagram: "1️⃣ For decades, textbooks maintained: the sperm breaks through the egg, like a hero storming a fortress. But researchers from Oxford published data that destroyed this myth. They discovered that the egg is not passive—it releases special chemical signals that literally «call out» to the right sperm. And if it does not want to—the sperm will not get inside, even if it is perfect in terms of DNA. The metaphor of conquest turned out to be a projection of culture, no