Yulsman has written one book: Origins: the Quest for Our Cosmic Roots, published by the Institute of Physics in 2003.
The beginning of the Holocene (post last ice age) is now universally accepted to be around 12000 BP.
Ima Geo is a visual blog focusing on the intersection of imagery, imagination and Earth.
It focuses on spectacular visuals related to the science of our planet, with an emphasis (although not an exclusive one) on the unfolding Anthropocene Epoch.
(Yes, even in our alleged post-racial America, where we have a biracial president.) While I've always been quick to declare and clarify my background even before I'm asked, I've witnessed other multiracial women deny their heritage or simply use the term "mixed" rather than outwardly claim their Blackness.
So the fact that not only is Prince Harry dating a biracial woman, but one who doesn't hesitate to say that she's Black and proud feels monumental.
The unspoken truth for me has always been that while I can love the royals from afar, someone who looks like me cannot fans tweet their disappointment when they discover that she's actually Black.