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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.
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.
Epigenetics: Genome, Meet Your Environment
Leslie Pray | Jul 4, 2004 | 10+ min read
©Mehau Kulyk/Photo Researchers, IncToward the end of World War II, a German-imposed food embargo in western Holland – a densely populated area already suffering from scarce food supplies, ruined agricultural lands, and the onset of an unusually harsh winter – led to the death by starvation of some 30,000 people. Detailed birth records collected during that so-called Dutch Hunger Winter have provided scientists with useful data for analyzing the long-term health effects of prenat
Making Things Grow: Insect Cells, Stem Cells, and Primary Cell Lines All Pose Challenges for Cell Culturists
Laura Defrancesco | Jun 21, 1998 | 5 min read
Date: June 22, 1998 Insect Cell Culture Media, Suppliers of Primary Cell Culture Media Advantages for Protein Expression Studies Since the mid-1950s cultures of insects--cockroaches, fruit flies, and leafhoppers, to name a few--have been the object of quiet study by physiologists and cell biologists. But along came genetic engineering and suddenly insect cultures have been put in the spotlight since they provide advantages over both bacterial and mammalian systems for recombinant protein prod
How Bacteria Interfere with Insect Reproduction
Ruth Williams | Feb 28, 2017 | 3 min read
Scientists identify the genes responsible for bacteria-controlled sterility in arthropods.
translation gene genetics ribosome enhancers knowable magazine
What Does It Look Like to “Turn On” a Gene?
Alla Katsnelson, Casey Rentz, and Knowable Magazine | May 3, 2019 | 8 min read
Only recently have scientists directly witnessed this most pivotal of events in biology, thanks to new technology that allows them to observe the process in living cells. It’s teaching them a lot.
Brains in Action
The Scientist | Feb 1, 2014 | 10+ min read
Neuroscientists are automating neural imaging and recording, allowing them to monitor increasingly large swaths of the brain in living, behaving animals.
 
Research Notes
Eugene Russo | Jun 25, 2000 | 5 min read
Putting Polio to Good Use Add polio to a host of other viral and bacterial foes that, in modified forms, could prove therapeutically beneficial. Although Russian scientists attempted to use polio to treat cancer in the 1960s--unpublished experiments about which little is known--a recent brain cancer study in mice is the first modern-day attempt to harness the power of the virus (M. Gromeier et al., "Intergeneric poliovirus recombinants for the treatment of malignant glioma," Proceedings of the
Jumping Genes A Buyers' Guide
Hillary Sussman | Jun 15, 2003 | 6 min read
Courtesy of Ivan Rayment  CAUGHT IN MID HOP: Structure of the Tn5 transposase/DNA complex No one believed Barbara McClintock in 1951 when she first described DNA that "jumped" from site to site within maize chromosomes, altering the expression of genes near the sites of integration. In due course, these transposable elements, or transposons, were found to be ubiquitous in nature, and 30 years later McClintock won the Nobel Prize. Today transposons have gone from molecular oddity to molec
60 Members Elected to NAS
Barry Palevitz | Jun 25, 2000 | 6 min read
Editor's Note: On May 2, the National Academy of Sciences announced the election of 60 new members and 15 foreign associates from nine countries in recognition of their distinguished and continuing achievements in original research. Nearly half of the new members are life scientists. In this article, The Scientist presents photographs of some of the new members and comments from a few of them on their careers and on past and current research. A full directory of NAS members can be found online a

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