The human brain grew from a survival machine into the most complex organ on Earth—fueling language, culture, and technology. This is how evolution reshaped our minds over millions of years.

When a baby smiles at you, it's almost impossible not to smile back. This spontaneous reaction to a facial expression is part ...

For Day 3, we’re asking you to spend at least 20 minutes exercising for your brain. Go for a walk with your accountability ...