Researchers probe how aggression leads to more aggression

Like a champion fighter gaining confidence after each win, a male mouse that prevails in several successive aggressive encounters against other male mice will become even more aggressive in future encounters, attacking faster and for longer and ignoring submission signals from his opponent. This phenomenon is interesting to people who study the neuroscience of behavior, because aggression is an innate, […]

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Brazil tops 4 mn cases as probe launched into origin of virus

Brazil surpassed four million coronavirus cases on Thursday, as an international panel looking into the global response to the pandemic vowed to uncover how it was able to spread worldwide. “This is a strong panel poised to ask the hard questions,” said former Liberian president Ellen Johnson Sirleaf, co-chair of the Independent Panel for Pandemic Preparedness and Response (IPPR), which […]

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Tweaked CRISPR in neurons gives scientists new power to probe brain diseases

A team of scientists at UC San Francisco and the National Institutes of Health have achieved another CRISPR first, one which may fundamentally alter the way scientists study brain diseases. In a paper published August 15 in the journal Neuron, the researchers describe a technique that uses a special version of CRISPR developed at UCSF to systematically alter the activity […]

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