In the Oct. 14 SN: 2017’s scientists to watch, duel over a real-life Brienne of Tarth, the origin of ultrahigh energy cosmic rays, long-lasting spheres of color, watermelon snow’s downside, support for the Unruh effect, polite robots and more.
A view deep into space from the Hubble Space Telescope shows numerous galaxies, huge collections of stars like the Milky Way. A century ago, astronomers called those galaxies “island universes,” a term introduced by Civil War general Ormsby MacKnight Mitchel.
NASA, ESA, G. Illingworth, D. Magee and P. Oesch/UCSC, R. Bouwens/Leiden University, and the HUDF09 Team
ANCIENT TRAITS Some people may have inherited a tendency to sunburn from Neandertals, a new study finds.
NUDGE MAN Richard Thaler of the University of Chicago has received the 2017 Nobel Memorial Prize in Economic Sciences for research on pitfalls of economic decision making.