News
- Health & Medicine
Signs 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 - Astronomy
Early stars found swirling in the Milky Way center
Ancient stars with low iron abundance surround the Milky Way’s center.
- Archaeology
Honeybees sweetened early farmers’ lives
Residue on pottery pegs ancient farmers as devotees of honeybee products.
By Bruce Bower - Planetary Science
Phobos 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 Science
Pluto continues to deliver surprises
Ice volcanoes, young landscapes and twirling moons are just a few more surprises from Pluto.
- Health & Medicine
Simple 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 - Health & Medicine
Dropping blood pressure to 120 lowers heart woes, data confirm
Aggressive treatment to lower systolic blood pressure to 120 reduces risk of heart attack, but causes some side effects.
By Meghan Rosen - Health & Medicine
Antibodies to fight Alzheimer’s may have unexpected consequences
Alzheimer’s-targeted antibodies make neurons misbehave even more, a study of mice shows.
- Life
Gene editing helps a baby battle cancer
Doctors used molecular scalpels to tweak T cells to target leukemia but not harm the patient.
- Anthropology
Ancient hominids used wooden spears to fend off big cats
Saber-toothed cat remains suggest ancient hominids used wooden spears as defensive weapons.
By Bruce Bower - Paleontology
Land life spared in Permian extinction, geologists argue
New rock layer dating in South Africa’s Karoo Basin suggests that extinctions of land species didn’t coincide with the Permian extinction around 252 million years ago.