Animals
Why elephants and armadillos might easily get drunk
Stories of drunken elephants may not be a myth. Differences in a gene for breaking down alcohol could explain how they get tipsy.
By Susan Milius
HS-LS1-3
Plan and conduct an investigation to provide evidence that feedback mechanisms maintain homeostasis.
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Health & MedicineNew ultrasound treatment kills off cancer cells
Low-frequency ultrasound destroys cancer cells while leaving most healthy cells intact.
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LifeHere’s how butterfly wings keep cool in the sun
Butterfly wings sport structures that let living tissues release more heat than the rest of the wing.
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Health & MedicineExcess weight alters results of blood tests in kids and teens
Carrying extra weight could affect many routine blood tests in kids, new data show. Knowing this might help doctors better interpret lab results.
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Health & MedicineExplainer: What are allergies?
Sometimes the body’s immune system works too well, like a smoke alarm that blares every time you cook pizza. The results can range from uncomfortable to potentially life-threatening.
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BrainScientists’ brains shrank after a long stay in Antarctica
The isolation of a long-term mission at an Antarctic research station shrunk part of crew members’ brains, a small study suggests.
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MicrobesGlobetrotting microbes in airplane sewage may spread antibiotic resistance
Along with harder-to-kill microbes, airplane sewage contains a diverse set of the genes that let bacteria evade antibiotics.
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BrainAs teens gain weight, they find high-fat foods less pleasurable
Teens who gained excess weight showed less activity in the brain’s reward center when viewing or tasting foods with lots of fat.