Scientists have found several proteins that stop the Cas9 enzyme (white) from cutting DNA. Credit: Val Altounian
In an episode of the resurrected X-Files TV show that ran earlier this year, aliens attack Earth with a bioweapon based on CRISPR, the genome-editing…
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University of California attorney Todd Walters addresses the three judges presiding over the CRISPR patent hearing. Credit: Dana Verkouteren
ALEXANDRIA, VIRGINIA—A long line began to form an hour before the doors opened this morning for a hearing at the U.S. Patent and Trademark Office…
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A survey team set up a testing tent to draw blood from a household in rural Zimbabwe. Photo: Jon Cohen
Today is World AIDS Day, and three neighboring countries in southern Africa that have been hard-hit by HIV received remarkably good news. As part of…
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A young woman in KwaZulu-Natal, South Africa, who attended a community HIV/AIDS education meeting. Photo: Jon Cohen
Young women in sub-Saharan Africa are living through a “particularly dangerous time” when it comes to risk of HIV infection, according to the annual World…
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South Africa's high HIV infection rate makes it an ideal place to stage a vaccine trial. Many people becoming infected are young, like this woman hospitalized with AIDS earlier this year in KwaZulu-Natal. PHOTO: JASON KANE
A two-pronged HIV vaccine strategy that delivered lackluster results in a trial in Thailand 7 years ago will get another chance in South Africa. Last…
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The Ebola virus had more opportunities to mutate during the West African epidemic than ever before.
The sheer size of the Ebola epidemic that began in 2013 and engulfed West Africa is still a bit of a riddle for scientists. Previous…
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Rudolf Jaenisch made the first transgenic mouse in 1974 and has pioneered the engineering of CRISPR mice. Photo: Ken Richardson
In the beginning of 2013, Michael Wiles sat down with high-level managers of the Jackson Laboratory in Bar Harbor, Maine, and told them about a…
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I speak biology fluently, but the molecular complexities of the novel genome-editing tool called CRISPR left me as befuddled as when I peruse descriptions of…
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Mutant flies are scary things, as victims of The Fly can attest. Happy Hallowing! Credit: 20th Century Fox/The Kobal Collection at Art Resource, NY
During the whole of a dull, dark, and soundless day in the autumn of the year, when the clouds hung oppressively low in the heavens…
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