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Baez & Huerta in Scientific American: “The Strangest Numbers in String Theory”
“Octonions were largely neglected since their discovery in 1843, but in the past few decades they have assumed a curious importance in string theory. And indeed, if string theory is a correct...
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Moczek in Nature: “The origins of novelty in evolutionary biology”
Clockwise from top left: Cladonota benitezi; Umbelligerus peruviensis; Nassunia binotata; and a nymph of a Cymbomorpha species. “Treehoppers are insects that would resemble miniature cicadas were it...
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Gunion in ArXiv: A 4th generation is ruled out if the SM Higgs has mass below...
John F. Gunion (University of California, Davis) claims in “Ruling out a 4th generation using limits on hadron collider Higgs signals,” ArXiv, 19 May 2011, that the Tevatron and LHC data have...
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Serpico at PPC-CERN: “Theoretical aspects of dark matter indirect detection”
“Dark Matter (DM) was already discovered indirectly: via gravity. But gravity is “universal” and does not permit particle identification: a discovery via electromagnetic, strong or weak probes is...
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Gustafsson in PPC-CERN: “Fermi Gamma-ray Space Telescope Observations of the...
A forthcoming paper of the Fermi-LAT Collaboration will describe method and results yielding to the left plot (the right one is widely known). A map of the galactic center after 2 years of Fermi...
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Lisi and Weatherall in Scientific American: “A Geometric Theory of Everything”
“In 2007 physicist A. Garrett Lisi wrote the most talked about theoretical physics paper of the year. He argues that the geometric framework of modern quantum physics can be extended to incorporate...
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On the nature of time in string theory
The journal Foundations of Physics commemorates “Forty Years of String Theory.” Vijay Balasubramanian (University of Pennsylvania) steps back and ask what we do not understand about time. What is time?...
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String theory and mathematical fertility
“String theory dominates the research landscape of quantum gravity physics (despite any direct experimental evidence) due to its mathematical fertility. String theory has generated many surprising,...
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Dan Hooper on Light WIMPs
“The thermal abundance (“WIMP Miracle”) argument works roughly equally well for WIMPs with masses between ~1 GeV and several TeV, but historically, physicists have focused on ~40 GeV to ~1 TeV WIMPs,...
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Joe Lykken on “Some good/bad news about string theory”
Joe Lykken, “String Theory for Physicists,” XXXIII SLAC Summer Institute, 2005, Lecture 1 [PDF]; Lecture 2 [PDF]; and Lecture 3 [PDF]. “Some good/bad news about string theory: Good: String theory is a...
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