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The human genome that researchers sequenced at the turn of the century doesn’t really exist as we know it.

A polar bear in a German zoo dies after contracting a virus normally found in zebras.

A color-changing machine mimics the rubbery body and flexible movements of octopuses, squid, and cuttlefish.

Mice with inflammatory bowel disease harbor gut bacteria that damage host DNA, predisposing mice to cancer.

Myriad Genetics can hold patents on the BRAC1 and BRAC2 oncogenes, but not on tests comparing DNA sequences.

A solar-powered toilet that converts human waste into electricity snags first place—and $100,000—at the Reinvent the Toilet Challenge.

A citizen science project invites people to report sightings of flying ants across the United Kingdom to track patterns of outbreaks.

Even after 18 years of frozen storage, human embryos can still produce viable stem cells for drug screening and biomedical research.

Researchers code a book into DNA, demonstrating the possibility of using the biological molecule for long-term data storage.

A small molecule that inhibits a protein important for chromatin organization can cause reversible sterility in male mice.