All Stories
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Health & MedicineChronic stress can wreak havoc on the body
Scientists are shedding light on all the ways that chronic stress can boost inflammation and lead to serious health problems.
By Nathan Seppa -
AnimalsFive surprising animals that play
No one is shocked to find playful behavior in a cat, dog or other mammal. But scientists have documented play in plenty of other species, including reptiles and insects.
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AnimalsFlamboyant old bustards keep showing off
Among outrageously flirtatious birds called houbara bustards, old males may pay a penalty for years of extreme display.
By Susan Milius -
PsychologyGene variant may foretell success in program for at-risk kids
Disruptive children with DNA twist show biggest turnaround with 10-year intervention.
By Bruce Bower -
Planetary ScienceSpace simulations of 1960s focused on survival
50 years ago, space simulations focused on survival. Now, quality of life is critical, too.
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Health & MedicineThere’s more than one way to persuade people to vaccinate
Fear, facts and attitude are all strategies for promoting immunization
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ChemistryBrute-force chemistry study retracted
The journal Science has retracted a notable 2011 chemistry study in which authors reported a brawny method to break sturdy chemical structures.
By Beth Mole -
AnimalsOcean animals have bulked up since ancient eras
Marine animals today are much larger on average than they were in the Cambrian Period.
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EcosystemsBluebird moms inadvertently fuel wars between species
Extra hormones delivered to eggs holding sons in tough times end up driving one bluebird species to chase off another
By Susan Milius -
Planetary ScienceNew Horizons spies two of Pluto’s moons
Nix and Hydra come into view on the 85th anniversary of Pluto’s discovery.
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CosmologyThe past according to Planck: Cosmologists got a lot right
New results from the Planck satellite largely support cosmologists’ theories, but leave the door open for new discoveries.
By Andrew Grant -
Health & MedicineNew HPV shot fends off more types of the virus
A new vaccine that covers more strains of the human papillomavirus protects better against cervical and other cancers.
By Nathan Seppa