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tag france culture

Different colored cartoon viruses entering holes in a cartoon of a human brain.
A Journey Into the Brain
Danielle Gerhard, PhD | Mar 22, 2024 | 10+ min read
With the help of directed evolution, scientists inch closer to developing viral vectors that can cross the human blood-brain barrier to deliver gene therapy.
Capsule Reviews
Bob Grant | May 1, 2014 | 3 min read
Madness and Memory, Promoting the Planck Club, The Carnivore Way, and The Tale of the Dueling Neurosurgeons
Monitoring Mutations with Microfluidics
Ruth Williams | Mar 15, 2018 | 3 min read
A device dubbed the “mother machine” enables real-time observation of mutagenesis in single bacterial cells.  
Blood cells filmed in formation
Alla Katsnelson | Feb 10, 2009 | 3 min read
Researchers have helped resolve a long-standing debate about which precursors in the developing mammalian embryo give rise to blood cells, after tracking the birth of these cells using in-vivo imaging that lasts for days, according to linkurl:a report;http://www.nature.com/nature/journal/v457/n7231/full/nature07760.html in this week's Nature. The study is one of a handful of papers to come out in recent months to examine the question of hematopoietic cell origin. "I would say the nice thing abo
Outwitting the Perfect Pathogen
Megan Scudellari | Jan 1, 2014 | 8 min read
Tuberculosis is exquisitely adapted to the human body. Researchers need a new game plan for beating it.
Human RNA silences viral DNA
Charles Choi(cqchoi@nasw.org) | Apr 21, 2005 | 3 min read
MicroRNA plays an unexpected role in the process, researchers report in Science
African Sleeping Sickness: A Recurring Epidemic
Ricki Lewis | May 12, 2002 | 5 min read
African trypanosomiasis is making an unwelcome comeback. But unlike other returning diseases, this one has a drug treatment—eflornithine—that disappeared from the market when it failed to cure cancer. Yet like Viagra's origin from a curious side effect in a clinical trial, so too was eflornithine reborn. "When it was discovered that it removes mustaches in women, it suddenly had a market: western women with mustaches," says Morten Rostrup, president of the international council for M
Distinguishing Th1 and Th2 Cells
Jeffrey Perkel | May 13, 2001 | 10+ min read
Reagents That Distinguish Th1 and Th2 cells Courtesy of R&D SystemsSchematic representation of cytokines influencing the development of antigen-activated naive CD4+ T cells into Th1 and Th2 cells. Editor's note: Although individual techniques are associated with specific researchers in this article, it should be noted that these investigators commonly use several different techniques to analyze T lymphocyte populations. The human body is constantly under siege. It must defend itself fr
Patents On Some Science Findings Would Present Problems
Dorothy Nelkin | Nov 22, 1992 | 5 min read
Date: November 23, 1992 Editor's Note: Indications are that the National Institutes of Health's controversial gene-patenting initiative, now widely seen as moribund, is really as good as dead. At press time, a final decision on the matter was still in the hands of Secretary of Health and Human Services Louis Sullivan, but sources at HHS feel the initiative is on insecure legal footing and will be dropped. Before the proposal more or less gave up its ghost, however, it served to stimulate anim
Getting Proteins Into Cells
Laura Bonetta | Apr 1, 2002 | 9 min read
A postdoctoral fellow has just identified an interesting new gene. But to get published in a top-flight journal, there's a need to figure out what the gene product does in vivo. Unfortunately, to accomplish that, the postdoc needs a way to get the protein into the cell, and therein lies the problem: There are many fast and effective methods to introduce transcriptionally active DNA into cells,1 but options for delivering functional proteins into cells are limited. New research and commercially a

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