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Standing before the earliest known cave art on the planet profoundly shifted my perspective. These ancient handprints, estimated to be 45,000 to 52,000 years old, lie in a little-known cave in Sulawesi, a remote Indonesian island east of Borneo.

Accessing the cave was an adventure in itself. We climbed a rusty iron staircase and watched as a modest lock and chain were undone by a ‘guard’ to reveal the entrance. Astonishingly, there were no other visitors.

The emotion I felt seeing these handprints, alongside a painting of a now-extinct “pig-deer” they once hunted, was indescribable. It was humbling to realise that humans stood in the exact spot so many millennia ago, creating art.

What’s truly remarkable is that these early humans had brains identical to ours. Evolution, which takes hundreds of thousands of years, hasn’t impacted our capacity for thought or invention. These early people had the potential to create smartphones or space stations; what separates us isn’t biology but cultural influences and societal development.

This brings us to neuroplasticity—our brain’s extraordinary ability to rewire itself in response to our experiences and environments. Unlike other animals, whose hard-wired brains dictate fixed behaviours (lions behave like lions, no matter where they are), human brains are endlessly adaptable.

This adaptability is what enabled early humans to thrive in changing climates and habitats. In the Rift Valley, where our species first evolved, dramatic environmental shifts wiped out less adaptable species. Humans, however, survived because of the neuroplasticity of their brains to solve problems, adapt behaviours, and embrace change.

Some theories even suggest that this flexibility was why humans outlasted Neanderthals. Despite having similarly sized brains, Neanderthals may have lacked the same capacity for adaptation and innovation.

The beauty of neuroplasticity is that it operates throughout our lives. No matter your age, you can rewire your brain, learn new skills, and embrace change. This is a powerful reminder: we are not stuck being who we are today. The New Year is a chance to ask, “Who do I want to become?”  “How could I rewrite my story?”

The leopard can’t change its spots, but the human can…