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Thirty percent of bacteria found in babies' guts came from mothers' milk, a study finds.

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image: Ancient Protein Helps <em>E. coli</em> Thwart Viral Attack

Ancient Protein Helps E. coli Thwart Viral Attack

By | May 9, 2017

When engineered to use a four-billion-year-old version of the protein thioredoxin, the bacteria can stall bacteriophage replication, a new study shows.

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image: Warmer Temps Tied to Altered Microbiome in Lizards

Warmer Temps Tied to Altered Microbiome in Lizards

By | May 8, 2017

Bacterial differences after three-month temperature hikes, modeled after global warming predictions, were evident one year later, a study found.

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The 19th century biologist’s drawings, tainted by scandal, helped bolster, then later dismiss, his biogenetic law.

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image: Future Homes May Have Bioreactive Walls

Future Homes May Have Bioreactive Walls

By | May 1, 2017

Researchers are redesigning the humble brick to produce electricity, to clean water and air, and to harvest valuable compounds.

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Time-lapse imaging shows the immune cells transferring chemical signals during pigment pattern formation in developing zebrafish.

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image: Infographic: How the Zebrafish Got Its Stripes

Infographic: How the Zebrafish Got Its Stripes

By | May 1, 2017

Immune cells called macrophages shuttle cellular messages in the skin.

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The giant lizards have numerous microbicidal compounds in their blood.

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Scientists are criticizing the claim that hominins were in North America more than 100,000 years earlier than the currently accepted estimation.

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The lungs of extremely premature lambs supported in a closed, sterile environment that enables fluid-based gas exchange grow and develop normally, researchers report.

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