Stunning visions of Mars

Humanity is now the proud owner of some 13,000 photos of Mars taken by NASA’s Mars Reconnaissance Orbiter. Monitoring Seasonal Albedo Patterns on South Polar Residual Cap (ESP_014405_0945) Credit: NASA/JPL/University of Arizona The photos were taken by the most powerful camera of any on NASA’s spacecraft – the aptly (if dryly) named High Resolution Imaging […]

Sperm of a feather clump together

I’m gobsmacked.  And highly amused, as well (it’s the immature part of me, apologies). Credit: Phil Myers (photographer, copyright holder), Museum of Zoology, University of Michigan.  More info here and here.  (I tried to find a picture of sperm in question, but nothing seemed to be (c)-free) Research published in Nature this week has shown […]

On the matter of time, and how the past crystallises out of the future

Yes, you read the title correctly. In a fascinating paper written by George Ellis, of me ol’ alma mater the University of Cape Town and Tony Rothman, from Princeton University in New Jersey, they posit that the place where this crystallisation occurs is, interestingly, the present. Not as in gift (although the present is a […]