About 2.6 million years ago, an oddly bright light arrived in the prehistoric sky and lingered there for weeks or … Continue reading Supernova:a possible cause of mass extinction at the dawn of the Pleistocene
What is a Cepheid variable star? Cepheid variable stars as any astronomers here know are God’s gift to cosmology – … Continue reading Cepheid variable stars: what light do they shed on back-radiation, feedbacks and climate oscillations?
Sixty thousand years ago a small group of people changed the world. Odyssey from Africa tells their story. It … Continue reading Odyssey from Africa and the Adventures of Ipiki
ptolemy2 This post has the title “When science had no shame: enthusiasm for technology and the poem “Passage to India” … Continue reading When science had no shame: the poem “Passage to India” by Walt Whitman
A new oldest human fossil has been found, and surprisingly it was in southern Europe – Greece and Bulgaria, not Africa… Continue reading Did the first humans come from Greece, not Africa?