Kirsi is a former scientist and journalist writing about cognitive science, psychology and neuroscience.

Meet the astronomer who changed how we see the stars

Williamina Fleming pioneered a system for classifying stars and discovered the Horsehead Nebula

Maryam Mirzakhani’s mathematical legacy lives on

The first woman to win a Fields Medal was only 40 when she died, but she revolutionized mathematics

Neuroscientists proved the brain regenerates. Now they’re trying to figure out how.

Defying common knowledge lead us to a theory of neurogenesis.