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1. Scientists shed new light on neural processes behind learning and motor behaviours

   The discovery that the cerebral cortex can directly control activities of globus pallidus neurons, which are associated with voluntary movement, could improve our understanding of why some symptoms occur in Parkinson’s and other diseases.

2. Chronic adversity dampens dopamine production

   Exposure to chronic adversity in childhood and adulthood can lead to a dampened physiological response to acute stress and exaggerated threat perception.

3. Infectious cancer in mussels spread across the Atlantic

   Evidence from DNA sequencing reveals that an infectious cancer spread to two different species of mussels on both sides of the Atlantic Ocean, likely because affected mussels hitched a ride on ships.

4. New insight on how bacteria evolve drug resistance could lead to improved antibiotic therapies

   Exploiting a strategy known as collateral sensitivity in bacteria could lead to the development of novel and sustainable treatments.

5. Natural loss of foot muscle in rodents shares mechanisms typically associated with disease and injury

   New discovery around the evolutionary loss of foot muscles in the lesser Egytian jerboa challenges expectations of how developmental tissue is remodelled over time.

6. Protein that triggers plant defences to light stress identified

   To protect against damage from excess light, a newly identified protein triggers a defence mechanism in plant cells.

7. Tiny droplets allow bacteria to survive daytime dryness on leaves

   Bacteria on the surface of leaves survive dryness during the day by huddling in tiny droplets – a finding that may help scientists support microbiome health in crops and natural plants.

8. Media Coverage: September roundup of eLife papers in the news

   High-profile news coverage that eLife papers generated in September 2019, including The New York Times, ITV News and Scientific American.

9. Tapeworms need to keep their head to regenerate

   Scientists show that the location of stem cells is essential in determining tapeworms’ ability to regenerate.

10. Outer hair cells regulate ear’s sensitivity to sound

    Cells in the ear commonly believed to act as amplifiers may actually regulate sound sensitivity – a finding that could lead to better interventions to protect hearing.