Peeking into a chrysalis, videos reveal growth of butterfly wing scales

Journal Reference: Anthony D. McDougal, Sungsam Kang, Zahid Yaqoob, Peter T. C. So, Mathias Kolle. In vivo visualization of butterfly scale cell morphogenesis in Vanessa cardui. Proceedings of the National Academy of Sciences, 2021; 118 (49): e2112009118 DOI: 10.1073/pnas.2112009118 Now, MIT engineers have captured the intricate choreography of butterfly scales forming during metamorphosis. The team … Read more

New formula provides key to predicting microbial growth

Journal Reference: Salvatore Calabrese, Arjun Chakrawal, Stefano Manzoni, Philippe Van Cappellen. Energetic scaling in microbial growth. Proceedings of the National Academy of Sciences, 2021; 118 (47): e2107668118 DOI: 10.1073/pnas.2107668118 Salvatore Calabrese, Ph.D., assistant professor in the Department of Biological and Agricultural Engineering meets with students. (Texas A&M AgriLife photo by Laura McKenzie) We know combustion … Read more

New research could help boost growth of clean cooking in sub-Saharan Africa

Journal Reference: Matthew Shupler, Judith Mangeni, Theresa Tawiah, Edna Sang, Miranda Baame, Rachel Anderson de Cuevas, Emily Nix, Emmanuel Betang, Jason Saah, Mieks Twumasi, Seeba Amenga-Etego, Reginald Quansah, Elisa Puzzolo, Bertrand Mbatchou, Kwaku Poku Asante, Diana Menya, Daniel Pope. Modelling of supply and demand-side determinants of liquefied petroleum gas consumption in peri-urban Cameroon, Ghana and … Read more

Researchers caution global economic growth could slide into stagnation

Journal Reference: Matthew G. Burgess, Amanda R. Carrico, Steven D. Gaines, Alessandro Peri, Steve Vanderheiden. Prepare developed democracies for long-run economic slowdowns. Nature Human Behaviour, 2021; DOI: 10.1038/s41562-021-01229-y But the heady days of rapidly rising prosperity may be coming to an end, according to an interdisciplinary group of scientists at UC Santa Barbara and the … Read more

Optimistic about French growth, the OECD is worried about the control of public spending

French Economy Minister Bruno Le Maire (left) and OECD Secretary General Mathias Cormann in Paris on November 18, 2021. XOSE BOUZAS / HANS LUCAS VIA AFP Congratulations and recommendations, in particular to control public spending and reduce debt. This is the health bulletin issued, Thursday, November 18, by the Organization for Economic Cooperation and Development … Read more

“The transformation of technical progress into growth is not straightforward”

Wind farm near Palm Springs, California, April 22, 2016. DAVID MCNEW / AFP Chronic. The COP26 certainly failed to define the shared modalities of an energy revolution, but it is nevertheless taking shape for the coming decades: carbon-based energies, which allowed the growth of the industrial and post-industrial ages, will give way. Many innovations have … Read more

Obesity raises the risk of gum disease by inflating growth of bone-destroying cells

Journal Reference: K.H. Kwack, L. Zhang, J. Sohn, V. Maglaras, R. Thiyagarajan, K.L. Kirkwood. Novel Preosteoclast Populations in Obesity-Associated Periodontal Disease. Journal of Dental Research, 2021; 002203452110407 DOI: 10.1177/00220345211040729 The study, completed in an animal model and published in October in the Journal of Dental Research, found that excessive inflammation resulting from obesity raises the … Read more

Against the backdrop of accelerating growth, manufacturers are increasing their selling prices

In a hypermarket in Givors, near Lyon, in March 2020. JEAN-PHILIPPE KSIAZEK / AFP More than one industrial company in two has started to pass on the rise in raw materials, including energy, in its selling prices, indicates the monthly economic survey of the Banque de France, published on Monday, November 8. And this, while … Read more

Nerves may be key to blocking abnormal bone growth in tissue

Journal Reference: Seungyong Lee, Charles Hwang, Simone Marini, Robert J. Tower, Qizhi Qin, Stefano Negri, Chase A. Pagani, Yuxiao Sun, David M. Stepien, Michael Sorkin, Carrie A. Kubiak, Noelle D. Visser, Carolyn A. Meyers, Yiyun Wang, Husain A. Rasheed, Jiajia Xu, Sarah Miller, Amanda K. Huber, Liliana Minichiello, Paul S. Cederna, Stephen W. P. Kemp, … Read more

New study proposes expansion of the universe directly impacts black hole growth

Journal Reference: Kevin S. Croker, Michael Zevin, Duncan Farrah, Kurtis A. Nishimura, Gregory Tarl. Cosmologically Coupled Compact Objects: A Single-parameter Model for LIGO–Virgo Mass and Redshift Distributions. The Astrophysical Journal Letters, 2021; 921 (2): L22 DOI: 10.3847/2041-8213/ac2fad Since the first observation of merging black holes by the Laser Interferometer Gravitational-Wave Observatory (LIGO) in 2015, astronomers … Read more

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