Researchers use DNA from ancient tooth tartar to chart changes in the bacterial communities that have lived in human mouths for 8,000 years.
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Yale University evolutionary biologist Steven Brady studies the evolutionary impacts of roads on the amphibians.
Pregnant mice exposed to the chemical used in many plastics have offspring with behavioral abnormalities.
Long-term stroke patients involved in a small-scale clinical trial of a neural stem-cell therapy show signs of recovery.
Scientists find the molecule that delivers itchiness signals to the brain via a dedicated, and previously unknown, neural pathway.
Researchers discover a microbe living at -15°C, the coldest temperature ever reported for bacterial growth, giving hope to the search for life elsewhere in the cosmos.
The Asian harlequin ladybird carries a biological weapon to wipe out competing species.
For the first time, researchers visualize zebrafish memory retrieval in real time.
The cost of DNA sequencing has gotten more expensive for the first time since records have been kept.
Patients with major depressive disorder appear to have malfunctioning circadian rhythms, which could lead researchers to new avenues for treatment.
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