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AnimalsScent of alarm identifies male bed bugs
When mistaken for females, the guys release an alarming pheromone.
By Susan Milius -
LifeBirds’ eyes, not beaks, sense magnetic fields
A new study pinpoints migratory songbirds’ magnetic compass in a specific brain region.
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SpaceGamma-ray observations shrink known grain size of spacetime
A new study eliminates some theories of quantum gravity by finding that spacetime isn’t as lumpy as some models had proposed.
By Ron Cowen -
LifeThree dino types may be just three dino ages
Study suggests three dinos placed in separate taxa are actually from one group at different growth stages
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LifeSpiders love sweet smell of blood perfume
For on spider species, feeding on blood-gorged mosquitoes adds charm to a mate
By Susan Milius -
Health & MedicinePsychiatric meds can bring on rapid weight gain in kids
Drugs that alleviate severe mental disorders can also result in troubling metabolic changes.