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LifeGut microbe may challenge textbook on complex cells
Science may finally have found a complex eukaryote cell that has lost all of its mitochondria.
By Susan Milius -
Health & MedicineEarly work on human growth hormone paved way for synthetic versions
In 1966, researchers reported the complete chemical structure of human growth hormone. Today synthetic growth hormone is used to treat growth hormone deficiency.
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LifeHow to trap sperm
Lab-made beads can trick and trap sperm, potentially preventing pregnancy or selecting sperm for fertility treatments.
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Health & MedicineHealthiest weight just might be ‘overweight’
The body mass index tied to lowest risk of death has risen since the 1970s. It now falls squarely in the “overweight” category.
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Quantum PhysicsPhysicists smash particle imitators
A new quasiparticle collider smashes together the faux-particles that appear in solid materials.
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Health & MedicineMouse studies link Zika virus infection to microcephaly
Three new studies in mice shore up the link between microcephaly and Zika virus infection.
By Meghan Rosen -
Health & MedicineHeartburn drugs can damage cells that line blood vessels
A type of heartburn drugs called proton pump inhibitors may damage cells that line the blood vessels. The results, though controversial, hint at an explanation for PPI’s link to serious side effects, including risk of dementia and heart attack.
By Meghan Rosen -
AstronomyKepler telescope doubles its count of known exoplanets
NASA’s Kepler space telescope adds 1,284 planets to the roster of worlds known to orbit other stars in our galaxy.
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Planetary ScienceMercury’s stunning landscape mapped
First complete topographic map of Mercury reveals plains, craters and both the highest and lowest points on the planet.
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Planetary ScienceLong-running lunar mission reveals moon’s surprises
Seven years into its mission, the Lunar Reconnaissance Orbiter is still going strong and finding surprises on the moon.
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Quantum PhysicsCommunicating covertly goes quantum
Researchers are working to make quantum messages that are undetectable.
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EnvironmentWhen measuring lead in water, check the temperature
Lead contamination in drinking water can be much higher during summer than winter, new research suggests.