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tag retractions developmental biology ecology

Stem-Cell Scientist Dies
Tracy Vence | Aug 4, 2014 | 2 min read
Yoshiki Sasai, a prominent organogenesis researcher who was a coauthor on two retracted stem cell studies, has died of apparent suicide at 52, officials say.
Close up photo of a wing
Unearthing the Evolutionary Origins of Insect Wings
Jef Akst | Apr 4, 2022 | 6 min read
A handful of new studies moves the needle toward a consensus on the long-disputed question of whether insect wings evolved from legs or from the body wall, but the devil is in the details.
An illustration of green bacteria floating above neutral-colored intestinal villi
The Inside Guide: The Gut Microbiome’s Role in Host Evolution
Catherine Offord | Jul 1, 2021 | 10+ min read
Bacteria that live in the digestive tracts of animals may influence the adaptive trajectories of their hosts.
A scanning electron micrograph of a coculture of E. coli and Acinetobacter baylyi. Nanotubes can be seen extending from the E. coli.
What’s the Deal with Bacterial Nanotubes?
Sruthi S. Balakrishnan | Jun 1, 2021 | 10+ min read
Several labs have reported the formation of bacterial nanotubes under different, often contrasting conditions. What are these structures and why are they so hard to reproduce?
"Big Cross" Lands Sticklebacks in the Spotlight
David Secko | Nov 7, 2004 | 5 min read
Marine threespine sticklebacks haven't morphologically changed in an estimated 10 million years, but their freshwater offshoots show no signs of slowing down. These 5-cm-long, freshwater fish have undergone a recent evolutionary change, variably losing their calcified body armor and retractable pelvic and dorsal spines. Remarkably, isolated marine and freshwater sticklebacks can be hybridized in the laboratory, a fact that is allowing researchers to analyze the genetics behind their natural dive
Surpassing the Law of Averages
Jeffrey M. Perkel | Sep 1, 2009 | 7 min read
By Jeffrey M. Perkel Surpassing the Law of Averages How to expose the behaviors of genes, RNA, proteins, and metabolites in single cells. By necessity or convenience, almost everything we know about biochemistry and molecular biology derives from bulk behavior: From gene regulation to Michaelis-Menten kinetics, we understand biology in terms of what the “average” cell in a population does. But, as Jonathan Weissman of the University of Califo
RIKEN to Regroup Following STAP Saga
Tracy Vence | Aug 27, 2014 | 1 min read
The Japanese institution will downsize, rename, and relaunch the research center at the heart of the stimulus-triggered acquisition of pluripotency controversy.
STAP Author Can’t Replicate Results
Kerry Grens | Dec 22, 2014 | 1 min read
RIKEN’s Haruko Obokata fails to replicate stimulus-triggered acquisition of pluripotency.
STAP Confusion Abounds
Jef Akst | Mar 31, 2014 | 2 min read
Stem cells supposedly derived by the new method of stimulus-induced acquisition of pluripotency may have come from mouse strains other than those claimed.
STAP Drama Continues
Jef Akst | Mar 24, 2014 | 1 min read
Nearly two months after researchers published papers showing that they could induce pluripotency with an external stressor, the work’s validity is still being challenged.

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