How Beer Is Made

How Beer Is Made

Beer is made out of water, malt, hops (the flowers of the Humulus lupus plant), and brewing yeast of the strain Saccharomyces cerevisiae. It owes its marvelous flavor to a great deal of chemistry. This video explains how beer is made. How To Make Beer The video is...
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Helga Rübsamen-Schaeff

Helga Rübsamen-Schaeff

Professor Dr. Helga Rübsamen-Schaeff was Senior Vice President and Global Head of Anti-Infective Research at Bayer HealthCare (Germany) and is now Chief Executive Officer of the Bayer Corporation spin-off AiCuris GmbH (‘anti-infective cures’) which she has headed...
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Antimatter: Most Expensive Substance on Earth

Antimatter: Most Expensive Substance on Earth

Who knows its worth? Right now, antimatter – with a price tag of about $62.5 trillion per gram – is the most expensive substance on the Earth. When groups of people are asked to name the most expensive substance, the variety of answers is hilarious. Often, the...
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Molecules that Changed the World

Molecules that Changed the World

Which natural molecules have truly changed the world? Here are four famous examples:   Pencillin The narrative surrounding the discovery and development of penicillin is truly remarkable, possessing all the ingredients of a best-selling novel: serendipitous...
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Auf den Stufen des Lernens

Auf den Stufen des Lernens

In seinem Lehrbuch „Technische Mechanik“ erklärt der Autor, Prof. Stefan Hartmann von der TU Clausthal, wie Lernen in den MINT-Fächern funktioniert: Er geht von sechs Stufen des Lernens aus. Wer nur die erste oder zweite Stufe erreicht, sollte sich nicht zufrieden...
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