Crispr Therapeutics led gene-editing stocks lower after new studies published by Nature Medicine found that cells whose genomes are edited with the CRISPR-Cas9 technology have the potential to cause cancer, Stat News reports. Editing cells’ genomes with CRISPR-Cas9 might increase the risk that the altered cells, intended to treat disease, will trigger cancer, two studies published on Monday warn — a potential game-changer for the companies developing CRISPR-based therapies. [Full article]

The lowest measured air temperature on earth is −89.2 °C (−129 F) on 23 July 1983, observed at Vostok Station in Antarctica, but new data published in Geophysical Research Letters this week, has found that some 100 different locations on the East Antarctic Plateau reached temperatures of -98° C (-144° F) during the Antarctic polar night between 2004–2016. [Full article]