PNAS in the News

Top Stories for June 1

A female swamp wallaby in Victoria, Australia. Image credit: Geoff Shaw (University of Melbourne, Melbourne, Australia).

A female swamp wallaby in Victoria, Australia.
Image credit: Geoff Shaw (University of Melbourne, Melbourne, Australia).

Swamp wallabies’ reproductive strategy

A study suggests an unusual mode of reproduction in swamp wallabies, which may be continuously pregnant throughout their reproductive lives.

New York Times
Smithsonian

Research article published in PNAS
“Unique reproductive strategy in the swamp wallaby,” by Brandon R. Menzies, Thomas B. Hildebrandt, and Marilyn B. Renfree


Article

 

A plains lubber grasshopper (Brachystola magna) at Konza Prairie. Image credit: Ellen A.R. Welti.

A plains lubber grasshopper (Brachystola magna) at Konza Prairie.
Image credit: Ellen A. R. Welti.

Nutrient dilution and insect decline

A study finds that the dilution of nutrients in plants, alongside climate factors, drives insect herbivore decline.

NPR
UPI

Research article published in PNAS
“Nutrient dilution and climate cycles underlie declines in a dominant insect herbivore,” by Ellen A. R. Welti, Karl A. Roeder, Kirsten M. de Beurs, Anthony Joern, and Michael Kaspari


Article

 

Mushroom cloud. Image credit: Wikimedia/United States Department of Energy.

Mushroom cloud.
Image credit: Wikimedia Commons/US Department of Energy.

Nuclear war and food security

Limited nuclear war between India and Pakistan could lead to global food insecurity, according to a study.

Nature
Newsweek

Research article published in PNAS
“A regional nuclear conflict would compromise global food security,” by Jonas Jägermeyr, et al.


Article

Featured Profile

Profile of NAS member and physicist Paul L. McEuen

Profile of NAS member and physicist Paul L. McEuen

Article

 

Featured Image

Image courtesy of Mariline Silva and Beatriz Rodrigues.

Adélie penguins at Adélie Cove, Terra Nova Bay

Article

More Recent News

Hadza participants in resting postures. Image credit: David A. Raichlen.

"Sitting, squatting, and the evolutionary biology of human inactivity," by David A. Raichlen, et al. 10.1073/pnas.1911868117




Illustration of human brain. Image credit: Pixabay/sbtlneet.

"Diet modulates brain network stability, a biomarker for brain aging, in young adults," by Lilianne R. Mujica-Parodi, Anar Amgalan, et al. 10.1073/pnas.1913042117




Image credit: John J. Wiens.

"Recent responses to climate change reveal the drivers of species extinction and surviva," by Cristian Román-Palacios and John J. Wiens 10.1073/pnas.1913007117

 


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