Posts tagged bodies

September 27, 2003

The Battle over Iron

We all know we need iron to live. How else would our blood carry oxygen to our lungs? And cells need iron in order to multiply. The problem is that our cells aren’t the only ones who need iron in order to thrive. Cancer cells and microorganisms like E. Coli and staph need iron too.

What We Can Learn From a Fly’s Ears

While most flies don’t have the ability to hear, a certain parasitic fly has a hearing system that is so exact in pinpointing a sound’s origin that it rivals the exceptional ears of owls and cats.