heartbeat – The Loh Down On Science

Groovy Brain Vessels

March 10, 2026 Ulia Lopatin

Oh yeah, feel that beat, brainy! This is Sandra Tsing Loh with the Loh Down on Science. The blood vessels in your brain expand and contract to the beat of your heart. This is called arterial pulsation and it’s measured to study heart health. But! Methods for measuring it are

Every Beat of Your Heart

March 20, 2019 Quang Pham

What’s YOUR biggest “fear factor?” Heights? Snakes? CLOWNS??!! This is Sandra Tsing Loh with the Loh Down on Science. Whatever your phobia, it can be paralyzing! To overcome our fears, we can expose ourselves to them bit by bit. But it’s a slow process. Enter a research group led by