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tag fabrication developmental biology evolution

Conceptual image showing molecules making up a brain shape
The Noncoding Regulators of the Brain
Christie Wilcox, PhD | Sep 12, 2022 | 10+ min read
Noncoding RNAs are proving to be critical players in the evolution of brain anatomy and cognitive complexity.
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.
Misconduct Found in STAP Case
Jef Akst | Apr 2, 2014 | 2 min read
An investigating committee at Japan’s RIKEN research center finds evidence of falsification and fabrication in two recent Nature papers that touted a new way to induce pluripotency.
Learning Your Stripes
Mary Beth Aberlin | May 1, 2017 | 3 min read
Science’s lowest common denominator has always been patterns.
The Genetics of Society
Claire Asher and Seirian Sumner | Jan 1, 2015 | 10 min read
Researchers aim to unravel the molecular mechanisms by which a single genotype gives rise to diverse castes in eusocial organisms.
Top 10 Innovations 2021
2021 Top 10 Innovations
The Scientist | Dec 1, 2021 | 10+ min read
The COVID-19 pandemic is still with us. Biomedical innovation has rallied to address that pressing concern while continuing to tackle broader research challenges.
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
Centrifuge Improvements Put New Spin On A Laboratory Workhorse
Howard Goldner | Mar 5, 1995 | 7 min read
A true laboratory workhorse, the centrifuge has been an essential part of most biological labs for many years. Using centrifugal force obtained by spinning experimental samples at high revolutions per minute (rpm), the device functions as a preparative method to separate various sample components, within minutes, for further treatment. Ultracentrifugation is an even more powerful technique that is used in analytical studies involving the characterization of and interactions between biological m
Ancient iceman has no modern kin
Jennifer Evans | Oct 29, 2008 | 3 min read
The 5,000-year-old mummy Öetzi, found in a glacier in the European alps 17 years ago and believed to be an ancestor of modern Europeans, actually belonged to a different genetic family and may have no living descendants, researchers report today in Current Biology. The researchers sequenced linkurl:mitochondrial DNA;http://www.the-scientist.com/article/display/19318/(mtDNA) extracted from Öetzi's intestines, offering the oldest complete mtDNA sequence of modern humans. "We sort of ass

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