Science Newly-discovered Mayan calendar in Guatemala proves (again) the world won't end in 2012 Xeni Jardin
ancient artifacts What is the function of these mysterious ancient Roman dodecahedrons? Mark Frauenfelder
tabloids Melania's Pay-Off and King Charles "master-stroke" in this week's dubious tabloids Peter Sheridan
Science Carl Sagan: How the circumference of the Earth was calculated using only sticks, eyes, feet, and brains Ruben Bolling
History Ancient Egyptian tablet is an "attendance sheet" listing excuses for missing work Ruben Bolling