Today's puzzles feature mini-dramas with well-known philosophers. 1. Late Wittgenstein Wittgenstein has been murdered. One of Friedrich Nietzsche or
Image of the solar atmosphere showing coronal mass ejection. Credit: NASA/GSFC/SDO Nature published a landmark letter in 1998 that stated that a
Environmental Images/Universal I The slogan "Better Things for Better Living Through Chemistry" was adopted by DuPont in 1935 to appeal to
The fossilised skeleton from Decennatherium Rex, an ancient ancestor to giraffes M. Martn Perea et. al., Palaeogeogr. Palaeoclimatol. Palaeoecol.
Korean scientists claim that a new method of desalinating seawater makes it safe to drink within minutes. One month of membrane distillation
The computer and the Collatz conjecture seem to be in perfect harmony. One, Jeremy Avigad is a logician at Carnegie Mellon and a professor of
Promising review: This stuff is a miracle. We just purchased a house with very hard water. It appeared that the previous owners had not tried to