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ComputingNew algorithm cracks graph problem
A new algorithm efficiently solves the graph isomorphism problem, which has puzzled computer scientists for decades.
By Andrew Grant -
Health & MedicineSigns of cardiac disease start early in obese children
Worrisome changes to the heart that are associated with obesity can appear in childhood, a new MRI study shows.
By Laura Beil -
Health & MedicineBlood-brain barrier jiggled loose to deliver medicine
Using ultrasounds, doctors attempted to slip a chemotherapy drug into a woman’s brain through the blood-brain barrier.
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Health & MedicineCardiac risks rise for linemen during football season
Linemen on a football team face raised cardiac risk over the course of a season, a study of college players shows.
By Laura Beil -
AstronomyEarly stars found swirling in the Milky Way center
Ancient stars with low iron abundance surround the Milky Way’s center.
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ArchaeologyHoneybees sweetened early farmers’ lives
Residue on pottery pegs ancient farmers as devotees of honeybee products.
By Bruce Bower -
Planetary SciencePhobos starting to crack under pressure
Grooves that wrap around Phobos show that the Martian moon is starting to crack from stress.
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Planetary ScienceImpact from a space rock may have helped shape Pluto’s heart
Pluto’s heart is deep basin, possibly caused by a run in with something else in the Kuiper belt.
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Health & MedicineOrgan waiting list policy benefits the wealthy, study charges
Wealthier patients can afford to get on more organ transplant lists, giving them an advantage, a new study says.
By Laura Beil -
Planetary SciencePluto continues to deliver surprises
Ice volcanoes, young landscapes and twirling moons are just a few more surprises from Pluto.
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Health & MedicineSimple steps can offer health benefits
Studies find that even small changes in eating habits and movement can lower risk of heart disease.
By Laura Beil