All Stories by Elizabeth Eaton
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Health & MedicineLive antibiotics use bacteria to kill bacteria
Certain bacteria will destroy other bacteria without harming humans. They may be an answer to antibiotic-resistant infections.
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AnimalsSeabirds use preening to decide how to divvy up parenting duties
Seabirds in poor condition may communicate this information to their partner by delaying or withholding preening.
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NeuroscienceNerve cell miswiring linked to depression
A gene helps nerve cell axons extend to parts of the brain to deliver serotonin, a brain chemical associated with depression.
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LifeImmune cells play surprising role in steady heartbeat
Immune system cells called macrophages help heart cells rhythmically contract, maintaining the beat of mice’s hearts.
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PaleontologyEarly dinosaur relative sported odd mix of bird, crocodile-like traits
Teleocrater rhadinus gives researchers a better picture of what early dinosaur relatives looked like.
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EcosystemsHawk moths convert nectar into antioxidants
Hawk moths use their sugary diet to make antioxidants that protect their muscles.
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Health & MedicineCommon virus may be celiac disease culprit
A common virus may turn the immune system against gluten, leading to the development of celiac disease.
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PaleontologyNew tyrannosaur had a sensitive side
Tyrannosaurs may have had sensitive snouts that detected temperature and touch.
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Health & MedicineSpray-on mosquito repellents are more effective than other devices
To avoid mosquito bites, stick with spray-on repellents and skip the bracelets and citronella candles, a new study says.
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Health & MedicineDengue fever spreads in a neighborly way
Individual strains of dengue spread locally, and new infections cluster near the home of the first person affected.
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AnimalsColorful pinwheel puts a new spin on mouse pregnancy
Among the winners of the 2017 Wellcome Image Awards is a rainbow of mouse placentas that shows how a mother’s immune system affects placental development.