113,167+ results
113,167+ results for:
- Earth
Earth’s water originated close to home, lava analysis suggests
Scarcity of a hydrogen isotope called deuterium in molten rock from Earth’s depths suggests that the planet’s H2O originated from water-logged dust during formation, not comets.
- Astronomy
Cosmic rays maintain their mystery
Cosmic rays come from all over the universe, including some places we’re not so sure about.
- Anthropology
Mummified boy’s DNA unveils new but ancient maternal lineage
An Inca child’s DNA shows he hailed from a newly identified line of maternal ancestors.
- Animals
Tortoises provide a window into the illegal wildlife trade
Tens of thousands of Indian star tortoises are poached every year, a new study finds.
- Computing
New algorithm cracks graph problem
A new algorithm efficiently solves the graph isomorphism problem, which has puzzled computer scientists for decades.
- 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.
- Health & Medicine
Blood-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.
- Health & Medicine
Blood-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.
- Health & Medicine
Cardiac 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.
- Astronomy
Early stars found swirling in the Milky Way center
Ancient stars with low iron abundance surround the Milky Way’s center.
- Astronomy
Chile telescope array spots nearby Earth-sized planet
The discovery of GJ 1132b, the nearest Earth-sized planet known beyond the solar system, could herald the era of probing the atmospheres of nearby worlds for signs of life.
- Archaeology
Honeybees sweetened early farmers’ lives
Residue on pottery pegs ancient farmers as devotees of honeybee products.
