This Week in Nature

In a paper published online in advance in Nature this week, a team led by researchers at Oregon Health and Science University describes "ploidy conveyor" as a source of genetic variation in hepatocytes. It shows that in mouse polyploidy hepatocytes, multipolar mitotic spindles frequently form — which "can result in one-step ploidy reversal to generate offspring with halved chromosome content," the team writes.

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Among Sacks' books was "Awakenings," which was later made into an Academy Award-winning film.

The popularity of the #sciencemoviequote Twitter trend showcases scientists' eclectic movie tastes and knack for puns. 

The popular astrophysicist warned that apathy and even contempt for science in politics could lead to the end of informed democracy. 

In PLOS this week: Uncovering variants associated with diabetes-related kidney disease, a sequencing study of hepatitis E viruses circulating in Cambodia, and more.