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Biology9892 articles archived since 1845

Science Couple Phages Out Superbug

Medical researcher Steffanie Strathdee needed to save the life of her husband, researcher Tom Patterson, when he contracted one of the world's worst infections. She turned to phage therapy: using a virus to kill the bacteria...

March 13, 2019 — Steve Mirsky

The Orca's Sorrow 

A spate of new observations of grief in animals hints at why some species mourn and others do not

March 1, 2019 — Barbara J. King

The Other Tool Users

Excavations of stone tools left behind by nonhuman primates are illuminating the origins of technological innovation

March 1, 2019 — Michael Haslam

Budding Yeast Produce Cannabis Compounds

Biologists have taken the genes that produce cannabinoids in weed and plugged them into yeast, making rare and novel compounds more accessible. Christopher Intagliata reports.

February 28, 2019 — Christopher Intagliata

4 New DNA Letters Double Life's Alphabet

Synthetic DNA seems to behave like the natural variety, suggesting a broader swathe of chemicals could support life than the four that evolved on Earth

February 22, 2019 — Matthew Warren and Nature magazine
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Scientific American Health & Medicine

Scientific American Health & Medicine