Humans
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AnimalsScientists Say: Migration
Migration involves the movement of animals or people from one place to another.
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Health & MedicineIn an emergency, you may want to see Dr. Dog
Emergency room visits by therapy dogs can reduce pain, anxiety and depression in patients waiting for care, a new study finds.
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EnvironmentWe all unknowingly eat plastic, which may host toxic pollutants
In the environment, plastics attract all types of toxic chemicals. If ingested, new data show, chemicals on those plastic bits may harm the gut.
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Health & MedicineSickle-cell gene therapies offer hope — and challenges
Doctor Erica Esrick discusses existing treatments and an ongoing clinical trial for a gene therapy to treat sickle cell disease.
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Health & MedicineExplainer: What is sickle cell disease?
Gene mutations can alter an individual’s hemoglobin in ways that curl their blood cells. This can cause painful sickle cell disease.
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Health & MedicineExplainer: The body’s immune system
An army of cells — and their protein arsenal — work to keep us safe. Several squads of special forces possess unique superpowers to disable or kill intruders.
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HumansThe earliest known pants are surprisingly modern — and comfy
This 3,000-year-old garment was not only stylish but also functional. By recreating it, scientists also unraveled its complex and multicultural origins.
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HumansIs the sky really blue? It depends on what language you speak
English speakers talk about color a lot but rarely about smell. Researchers are learning how those who speak other languages sense the world and why differences arise.
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ArchaeologyOur species may have reached Europe while Neandertals were there
Archaeological finds from an ancient French rock-shelter show periodic settlements by both populations, just not at the same time.
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PsychologyAddiction can develop when reward-seeking changes a teen’s brain
Over time, the pleasure disappears and craving grows. That craving causes stress that can drive people to use drugs or pursue unhealthy behaviors again and again.
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BrainAmericans tend to see imaginary faces as male, not female
When people see imaginary faces in everyday objects, those faces are more likely to be perceived as male than female.
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Health & MedicineHere’s how a new sleeping bag could protect astronauts’ eyesight
A new sleeping bag could avoid vision problems on long space flights due to microgravity. It counters a fluid buildup behind astronauts’ eyes.