I read with interest and some amusement (on the mouse joke) the piece written here by Sascha Vongehr. I find his arguments wrong and decided to answer him in the comments thread of his post, but my…

"We consider the scattering of charged W bosons [...] the sum of all diagrams still diverges as s/Mw^2. Heavy leptons cannot help us, so the only solution is to introduce a scalar particle which…

Today's post in honor of the 2011 Cephalopod Awareness Days. October 10th is Squid Day.It's the happiest day of the year here at Squid A Day! To celebrate (or perhaps it was just a…

RETRACTION: I have decided to retract three blogs (Deriving … 4/5, 5/5, 6/5+1). I was unable to figure out a reasonable statement concerning gauge symmetry. When the blogs were initially written, I…

A particular kind of sugar molecule had a big impact on human evolution and may have directed the evolutionary emergence of our ancestors, according to a new study in  Proceedings of the…

Arctic Ice October 2011 Ice extent, as measured down to 15% concentration, was only slightly above 2007 levels at the end of this year's melt season.  The ice is now about as thin as in 2007, or…

Just supposing, what if you landed on a planet a lot like Earth and, bereft of modern technology, had to try and rebuild something that looks like home?   You could survive, sure, a little trial…

Cooperation has been/still is a major factor in the success of the human species, and in many others as well. Altruism and fairness are thought to play an important role in the development of…

Fabrizio Tamburini (left) is an old friend - I have known him since 1976, when we both used to attend the gatherings of the newborn Associazione Astrofili Veneziani, at the Lido of Venice. The love…

If you're in the life sciences, you have like heard of The Scientist.  After 25 years of making a go of it, they announced they are closing the doors. It's a tough market out there, as we can…