Join Lena and Jackson as they explore 2025's most groundbreaking discoveries across astronomy, neuroscience, and materials science - from interstellar comets to glowing human brains and revolutionary 2D metal sheets.

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From Columbia University alumni built in San Francisco

**Lena:** Hey there, curious minds! Welcome to today's episode where we're diving into the most groundbreaking research discoveries of 2025. Jackson, I was looking through these findings and I'm absolutely blown away by what scientists accomplished this year.
**Jackson:** It's been an incredible year for science, hasn't it? What really struck me was that interstellar comet, 3I/ATLAS. I mean, only the third interstellar object ever discovered passing through our solar system, moving at a mind-blowing 36 miles per second!
**Lena:** Right? And it's not just astronomy. Did you see that brain researchers discovered that our brains actually glow? They detected biophotons emitted by the human brain from outside the skull for the first time. That's just... wild to think about.
**Jackson:** Exactly! And speaking of brains, they also found that human brains have five distinct "eras" with turning points at ages nine, 32, 66, and 83. It's like our brains have their own version of the Taylor Swift eras tour!
**Lena:** That's such a perfect analogy! You know what fascinates me too? The creation of 2D sheets of metal. Scientists have been trying to make that happen since graphene was discovered in 2004, and they finally did it with bismuth, tin, lead, indium, and gallium.
**Jackson:** It's truly a golden age of discovery across all scientific fields. Let's explore these ten groundbreaking research discoveries from 2025 and see how they're reshaping our understanding of the universe and ourselves.