A million years is a blink of an eye in evolution but that doesn't mean newer genes matter less in life itself.    
A geophysicist has made the first-ever measurement of the strength of the magnetic field 1,800 miles underground - inside Earth's core.

The magnetic field strength is 25 Gauss, they say, 50 times stronger than the magnetic field at the surface that makes compass needles align north-south, the middle range of what geophysicists predicted, but it puts constraints on the identity of the heat sources in the core that keep the internal dynamo running to maintain this magnetic field.
While you sit there, I am simultaneously providing this blog post, this podcast, and this AGU talk.  All on the same topic-- how can we get scientists to provide science for public consumption.

The podcast poses these problems for you, the readers of science:

  • Who writes the science on the web?

  • What is their agenda?

  • Why don't scientists write it?
From the other side, my AGU talk tries to solve it for scientists.  It's rooted in the way that science careers are made and lost.