Induced subgraphs of hypercubes and a proof of the Sensitivity Conjecture: In this paper, we show that every (2^{n-1}+1)-vertex induced subgraph of
the n-dimensional cube graph has maximum degree at least sqrt{n}. This
result is best possible, and improves a logarithmic lower bound shown by Chung,
Füredi,...
Source: arxiv.org
Polar Sea Ice at Record Lows : Image of the Day: In 2017, the Arctic maximum and Antarctic minimum extents of sea ice plunged to record lows.
Source: nasa.gov
Efficiency of Silicon Solar Cells Climbs: Japanese materials company prototypes a 26.3 percent efficient silicon cell, steps away from the 29 percent theoretical maximum
Source: ieee.org
What are the Costs and Benefits of Providing Comprehensive Seven‐day Services for Emergency Hospital Admissions? Meacock, Rachel. Doran, Tim. Sutton, Matt. Health Economics. "There is as yet no clear evidence that 7-day services will reduce
weekend deaths or can be achieved without increasing weekday...
Source: wiley.com