Nature 2016 №7598, April 14 Volume 532

Nature is a weekly international journal publishing the finest peer-reviewed research in all fields of science and technology on the basis of its originality, importance, interdisciplinary interest, timeliness, accessibility, elegance and surprising conclusions. Nature also provides rapid, authoritative, insightful and arresting news and interpretation of topical and coming trends affecting science, scientists and the wider public.FeatureThe Perfect Blend
Combinatorial Explosion
Cancer: an Evolving Threat
Comment
Unite to build a quantum internet
Research News
Hard-to-reach repairs
Not everything is scaryabout a glial scar
Quantum problems solved through games
Article
Hourglass fermions
Astrocyte scar formation aids central nervous system axon regeneration
Modulation of tissue repair by regeneration enhancer elements
Letter
A map of the large day–night temperature gradient of a super-Earth exoplanet
Exploring the quantum speed limit with computer games
Direct observation of dynamic shear jamming in dense suspensions
Asymmetric catalytic formation of quaternary carbons by iminium ion trapping of radicals
Chemical weathering as a mechanism for the climatic control of bedrock river incision
Ritual human sacrifice promoted and sustained the evolution of stratified societies
Post-invasion demography of prehistoric humans in South America
A neuronal circuit for colour vision based on rod–cone opponency
TAM receptors regulate multiple features of microglial physiology
The necrosome promotes pancreatic oncogenesis via CXCL1 and Mincle-induced immune suppression
sFRP2 in the aged microenvironment drives melanoma metastasis and therapy resistance
Reductive carboxylation supports redox homeostasis during anchorage-independent growth
Differential DNA repair underlies mutation hotspots at active promoters in cancer genomes
Nucleotide excision repair is impaired by binding of transcription factors to DNA