progscrape: pnas.org

Flying reptiles called pterosaurs ruled the skies 90 million years ago. They had hollow bones allowing the sometimes huge animals to fly

10 months ago pnas.org paleontology

Entities enabling scientific fraud at scale are large, and growing rapidly

10 months ago pnas.org

Evolutionarily divergent nidovirus with an exceptionally large genome identified in Pacific oysters undergoing mass mortality

10 months ago pnas.org biology

Winters restrict a climate change–driven butterfly range expansion despite rapid evolution of seasonal timing traits

10 months ago pnas.org

Forests with thriving animal life store up to four times more carbon

11 months ago pnas.org environment

Human ancestors may not be responsible for Oldowan stone tools

11 months ago pnas.org anthropology

Early evidence of avocado domestication from El Gigante Rockshelter, Honduras

11 months ago pnas.org biology

A new study suggests that the global rise in obesity is primarily due to increased calorie consumption rather than reduced physical activity, as differences in energy expenditure between populations are too small to account for the dramatic weight gain observed worldwide.

11 months ago pnas.org health

Sleep duration and timing are associated with next-day physical activity: Insights from two large-scale wearable sensor studies | PNAS

12 months ago pnas.org health

Microplastics from food packaging, tableware could pose threat to gut, trigger diabetes

12 months ago pnas.org diabetes health