Thursday, September 8, 2011

Yeeeeeast (With Two Time-Lapse Videos!!)

Yeast are
  • single-celled fungi
  • 50% protein
  • asexual; they split into two to reproduce
  • everywhere 

They can 
  • breath oxygen (respire)
  • or, in the absence of oxygen, they can ferment sugars and carbohydrates into ethanol and carbon dioxide. 

Most amazingly, yeast are good at surviving in space.  Why is that? 

To get a better idea of what yeast are all about, I filmed some dry active yeast in warm water over the span of about 5 minutes. Here's the video at 500% speed:

While we're at it, mushrooms like to grow in cool ways too. This video, of pearl oyster mushrooms, occurs over the course of a few days in April 2011: 

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