Author Archives: F. E. Guerra-Pujol
¡Feliz Halloween!
Mexico’s Favorite Halloween Costumes: El Chapo and Trump https://t.co/3P8y1xkrVT h/t @nycsouthpaw pic.twitter.com/sA8rNwiJQ7 — Miriam Elder (@MiriamElder) October 30, 2015
Jeb! may have called out the wrong senator last night
Putting the "Rubio missing Senate votes" narrative to bed in one graphic… https://t.co/383fs0cDuc— Aaron Robinow (@aaronrobinow) October 27, 2015
thefacebook LLC vs. Facebook, Inc.
“It wasn’t about two kids in a dorm room anymore.” –Ben Mezrich, The Accidental Billionaires, Ch. 25. When an entrepreneur launches a new business, like Harvard sophomore Mark Zuckerberg did when he created “thefacebook” in the spring of 2004, he or she … Continue reading
The Mathematics of the St Louis Arch
In honor of the Arch turning 50 years old today(!), check out this paper on “The Mathematics of the Gateway Arch” by Robert Osserman. What an amazing way to illustrate the concept of functions in mathematics! Image credit: Alex Dzierba.
Allocation of Water Rights through Auctions
Since 2012, the journal Science has published a series of informal surveys called “NextGen Voices” regarding various aspects of science. The most recent NextGen survey posed the following questions: “Imagine that there is unlimited funding available for one currently unexplored … Continue reading
Can you spot the fallacy in this pie chart?
Why does the absolute size of the pie appear fixed? (H/t: Ada Swanson, via WaPo.)
A Thought Experiment on “Constitutional Arbitration” vs. Judicial Review
When the Congress enacted the bipartisan Defense of Marriage Act (DOMA) in 1996 or the historic Bipartisan Campaign Reform Act (popularly known as the “McCain-Feingold bill”) in 2002, the members of Congress who voted in favor of these bills presumably … Continue reading
Is Facebook a Monopoly?
“But with that incredible growth came new problems.” –Ben Mezrich, The Accidental Billionaires, Ch. 22. Does Facebook face any real competition these days? ConnectU is dead. LinkedIn and Twitter are not even close (see this chart via AdWeek). Here are … Continue reading

