News
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AnimalsBirds know road speed limits
Crows, house sparrows and other species judge when to flee the asphalt by average traffic rates rather than an oncoming car's speed.
By Susan Milius -
PsychologyBlood marker may predict suicide
People who killed themselves had higher levels of a gene involved in cell death.
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Health & MedicinePower of sugar may come from the mind
Only people who believe exertion zaps willpower get a boost from glucose.
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LifeYears or decades later, flu exposure still prompts immunity
New forms of influenza viruses can spur production of antibodies to past pandemics in people who lived through them.
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Materials ScienceToylike blocks make lightweight, strong structures
Bucking trend toward reducing numbers of parts, MIT engineers suggest building planes from thousands of identical pieces.
By Meghan Rosen -
Health & MedicineClues emerge to explain allergic asthma
Tests in mice reveal that allergens can trigger inflammation by cleaving a clotting protein.
By Nathan Seppa -
Health & MedicineGut-brain communication failure may spur overeating
Restoring a depleted molecule in obese mice repaired their abnormal response to food.
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AnimalsAntarctic waters may shelter wrecks from shipworms
Ocean currents and polar front form 'moat' that keeps destructive mollusks at bay.
By Susan Milius -
Quantum PhysicsQuantum teleportation approaches the computer chip
Researchers speedily transmit information from one tiny circuit to another on solid-state device.
By Andrew Grant -
PsychologyMental disorder seen as ‘badness, not sickness’
Health workers tend to consider borderline personality disorder a tag for patients who are difficult or impossible to treat.
By Bruce Bower -
Health & MedicineRacial homogeneity in early childhood may affect brain
In lab study, kids who lived in single-race orphanages have difficulty interpreting emotions on faces with foreign features.