New CRISPR-based tool can probe and control several genetic circuits at once

Every cell in our body has a computer-like control system that sends biological signals through thousands of circuits to monitor the cell’s needs and regulate its responses. But when diseases such as cancer arise, these regulatory circuits often go awry, resulting in unnatural signals and responses. The ability to accurately detect these abnormal disease signals…

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A Timeline of the Coronavirus

The coronavirus, which surfaced in a Chinese seafood and poultry market late last year, has spread to 24 countries, killing more than 1,000 and sickening tens of thousands of people in a matter of weeks. The World Health Organization has declared the situation a global health emergency. Here’s a timeline of what we know so…

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