Why do we bleed? A hematologist explains how the body prevents blood loss after injury

Blood plays a vital role in keeping us alive, from delivering oxygen to the body’s organs to fighting off infections.

Mikkael A. Sekeres, Professor of Medicine and Chief, Division of Hematology, Sylvester Cancer Center, University of Miami • conversation
Jan. 31, 2022 • ~6 min

Why is my poop brown?

The answer is more complicated than you might think. It has to do with how your body gets rid of old red blood cells.

Hannibal Person, Assistant Professor of Gastroenterology and Hepatology, School of Medicine, University of Washington • conversation
Dec. 13, 2021 • ~4 min

We designed an experimental AI tool to predict which COVID-19 patients are going to get the sickest

Researchers from New York University are designing AI algorithms to help predict COVID-19 outcomes.

Megan Coffee, Clinical Assistant Professor of Medicine, New York University • conversation
May 14, 2020 • ~7 min

How does a baby 'breathe' while inside its mom?

A fetus needs oxygen long before its lungs work and it's exposed to the air. Some ingenious biochemistry explains how the mother's blood delivers it.

Julie Pollock, Associate Professor of Chemistry, University of Richmond • conversation
May 5, 2020 • ~6 min

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