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In addition to providing energy, lipids are also essential building blocks of our cell membranes. However, despite their importance, they remain poorly understood.

Researchers at UConn and the University of Minnesota have discovered that there may be more to the "summer slide" phenomenon following a break in schooling than just forgetting material. In fact, the researchers found reliable ...

Physicists at the University of Oxford have contributed to a new study which has found that iron-rich asteroids can tolerate far more energy than previously thought without breaking apart—a breakthrough with direct implications ...

An analysis of genetic data from over 900,000 people shows that certain stretches of DNA, made up of short sequences repeated over and over, become longer and more unstable as we age. The study found that common genetic variants ...

U.S. adolescents spend more than one hour per day on smartphones during school hours, with social media accounting for the largest share of use, according to research published in JAMA. The findings have relevance for educators, ...

NASA canceled its first spacewalk of the year and may bring its crew back early from the International Space Station due to an onboard medical issue.

Randomized clinical trials remain the gold standard for establishing a medication's effects, producing the evidence by which most drugs and interventions in the U.S. are approved.

A study based on Finnish twins shows that reproductive history is associated, at the population level, with women's lifespan and biological aging. In the study, mothers of large families, women who had no children, or women ...

There are "costs of life" that mechanical physics cannot calculate. A clear example is the energy required to keep specific biochemical processes active—such as those that make up photosynthesis, although the examples are ...

The Anasazi, a once-flourishing tribe in the American Southwest, lived on bounties of corn, squash and beans. In 1276 A.D., however, a long, unforgiving drought made agriculture untenable, forcing them to migrate away from ...

Semiconductors are used in devices such as memory chips and solar cells, and within them may exist invisible defects that interfere with electrical flow. A joint research team has developed a new analysis method that can ...

One of the great successes of 20th-century physics was the quantum mechanical description of solids. This allowed scientists to understand for the first time how and why certain materials conduct electric current and how ...