Humans and Neanderthals likely exchanged culture and technology, not just genes, during their coexistence in Europe.

Sound travels four times faster through water than through air.

The cocktail party effect allows selective attention to specific sounds.

Your brain can store the equivalent of millions of gigabytes of information.

The human brain can process information faster than most computers in certain tasks.

The Laffer Curve illustrates that raising tax rates can sometimes reduce total tax revenue.

Harriet Tubman never lost a single passenger on the Underground Railroad — she made 19 missions and freed approximately 70 enslaved people.

Satellites can read license plates from orbit under ideal conditions.

Mudslides can be triggered by heavy rainfall.