Eric Staszczak / KOMU News

Scientists have discovered how human bodies respond during an emergency, when they need more blood cells. During such times, a second, emergency blood formation system is activated in the spleen, according to a new study. (Nature)

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Madlin Mekelburg was a reporting fellow for the Tribune in 2015 and 2016. She is a graduate of the University of Texas at Austin, where she studied journalism and French. Madlin previously worked at the...