Secrets of long-lost mummies unwrapped 29/09/2018

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Hello Nature readers, [好文分享：www.11jj.com]

Today we explore the results of the largest-ever peer-review survey, hear a recommendation for all-paper elections and reveal our pick of the best images, features and culture from the week in science.

 

The newly described species Ledumahadi mafube (artist’s conception) lived about 200 million years ago. (Viktor Radermacher/Instagram Viktorsaurus91/University of the Witwatersrand) 

Dino fossil rewrites the history of walking 

An enormous dinosaur fossil discovered in South Africa is stomping all over theories of how four-legged walking evolved. The 12-tonne animal would have been the largest creature on land when it roamed Earth 200 million years ago. The latest, somewhat controversial, study claims that it walked on four legs, suggesting quadrupedalism emerged in this lineage of dinosaurs much earlier than thought — and then disappeared before returning again.

Nature | Read this article at nature.com/latest-news

Reference: Current Biology paper 

Nobel committee reminds nominators that women exist 

For the first time, the Nobel Prize committee will explicitly call on nominators to consider diversity in gender, geography and topic for the 2019 prizes. They will also remind nominators that they can put forward names corresponding to three different discoveries (as well as multiple names for a single discovery) — which evidence shows leads to more-varied choices. The diversity measures are not about improving the statistics, says Göran Hansson, secretary-general of the Royal Swedish Academy of Sciences, but about ensuring that outstanding scientists are not overlooked.