NEW YORK (GenomeWeb News) – Shares of Exact Sciences today fell as much as 30 percent after the company announced top-line data from a pivotal clinical trial for its colorectal cancer screening test.

Amid heavy trading, shares of the Madison, Wis.-based firm dipped to as low as $6.93 from Wednesday's closing price of $9.97, after results from the trial, called DeeP-C, failed to meet some internal targets.

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The Jackson Laboratory has filed a complaint accusing Nanjing University of breeding and re-selling its mouse models, the Hartford Courant reports.

Oxford researchers are turning to virtual reality to visualize genes and regulatory elements, Phys.org says.

In Science this week: neutrophils rely on microRNA to protect against lung inflammation, and more.

China is moving forward with plans to sequence a million citizens, the Wall Street Journal reports.