Two Types of Empathy, Why Razors Dull, and Can You Learn Perfect Pitch?

Learn about how there are two types of empathy — and why we need both, why sturdy steel razors dull, and whether it’s possible to learn perfect pitch.

There are two types of empathy, and we need both by Kelsey Donk

If steel is stronger than hair, why do razors dull? By Grant Currin

Can You Learn Perfect Pitch? By Ashley Hamer

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