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Science Diction: The Origin Of The Petri Dish

December 16, 2011
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In 1887, Julius Petri invented a simple pair of nesting glass dishes, ideal for keeping specimens of growing bacteria sterile--the 'Petri dish.' Science historian Howard Markel recounts the history of this ubiquitous lab supply, and the serendipitous discovery of the stuff in it, agar.

Arts & Culture

NPR

A Read Down Memory Lane: Lessons From Your Former Self

Writings from childhood — cards, stories and other notes — can hide for decades, like time capsules tucked away in boxes, old bedrooms, attics and journals. Writer Jim Sollisch talks about how old thank you notes from his youth foreshadowed his adult life.

Food

NPR

Inside A Tart Cherry Revival: 'Somebody Needs To Do This!'

The revival is partly based on the humble sour fruit's growing reputation as a superfood. And in Michigan, a scientist is on a quest to introduce a whole new world of hardier, tastier tart cherries by breeding American trees with ancestral varieties from Eastern Europe.

Politics

WAMU 88.5

Should Attorney General Step Down To Run For Governor?

Ken Cuccinelli's decision to maintain his position as Virginia's attorney general during his run for governor has raised concerns.

Technology

NPR

3-D Printer Makes Life-Saving Splint For Baby Boy's Airway

A 3-D printer is being credited with helping to save an Ohio baby's life, after doctors "printed" a tube to support a weak airway that caused him to stop breathing. The innovative procedure has allowed Kaiba Gionfriddo, of Youngstown, Ohio, to stay off a ventilator for more than a year.

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