We believe the ice sheet was not around all the time. It was only around during cool snaps of the climate

America's got a Darwin problem - and it matters. According to a 2009 Gallup poll taken on the 200th anniversary of Charles Darwin's birth, fewer than 40% of Americans are willing to say that they 'believe in evolution.'

Once upon a time, growing up male gave little boys a sense of certainty about the natural order of things. We had short hair, wore pants, and played baseball. Girls had long hair, wore skirts, and, no matter how hard they tried, always threw a baseball just like a girl.

Biology is far from understanding exactly how a single cell develops into a baby, but research suggests that human development can ultimately be explained in terms of biochemistry and molecular biology. Most scientists would make a similar statement about evolution.

Evolution isn't just a take-it-or-leave-it story about where we came from. It's an epic at the centre of life itself. It tells us we are part of nature in every respect.

We believe the ice sheet was not around all the time. It was only around during cool snaps of the climate

The scientific argument advanced for intelligent design at the Dover trial, those arguments collapsed, scientifically and intellectually