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Fertility treatments keep multiple births high

Fertility technology in the United States has a huge influence on the frequency of twins, triplets, and other multiple births, according to new estimates...

Swallow your technology: Drug-carrying nanoparticles that can be taken by mouth

Drugs delivered by nanoparticles hold promise for targeted treatment of many diseases, including cancer. However, the particles have to be injected into patients, which...

Gold nanoparticles give an edge in recycling CO2

By tuning gold nanoparticles to just the right size, researchers from Brown University have developed a catalyst that selectively converts carbon dioxide (CO2) to...

Rats! Humans and rodents process their mistakes

People and rats may think alike when they've made a mistake and are trying to adjust their thinking.That's the conclusion of a study published...

High-income Americans are more segregated than ever

Since 1970, middle‐income neighborhoods have been disappearing. In 2009, only 42 percent of families lived in middle‐income neighborhoods, compared with 65 percent four decades...

Brain anatomy and language in young children

Researchers from Brown University and King’s College London have gained surprising new insights into how brain anatomy influences language acquisition in young children.Their study,...

Babies born at 37 and 38 weeks are at higher risk...

Babies considered “early-term,” born at 37 or 38 weeks after a mother’s last menstrual period, may look as healthy as full-term babies born at...

More intestinal cells can absorb larger particles

The small intestine employs more cells and mechanisms than scientists previously thought to absorb relatively large particles, such as those that could encapsulate protein-based...

Ancient snowfall likely carved Martian valleys

Valley networks branching across the Martian surface leave little doubt that water once flowed on the Red Planet. But where that ancient water came...

Cry analyzer seeks clues to babies’ health

To parents, a baby’s cry is a signal of hunger, pain, or discomfort. But to scientists, subtle acoustic features of a cry, many of...

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