News
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EcosystemsSea Change: People have affected what penguins eat
Adélie penguins in Antarctica significantly changed their eating habits about 200 years ago, after whaling and other human activities transformed the ocean ecosystem.
By Sid Perkins -
Health & MedicineTumor Suicide: Gene therapy makes cancer cells self-destruct
Microscopic bubbles of fat that deliver a suicide gene to tumor cells show success in treating pancreatic cancer in mice.
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Anemone reveals complex past
The starlet sea anemone, a primitive creature with ancient evolutionary roots, has a surprisingly complex genome.
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Adding to nature’s repertoire
Modified mouse cells make proteins that include synthetic amino acids in addition to the 20 natural ones.