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A new three-dimensional view of intact ovaries is offering scientists a more complete picture of how the ovarian reserve changes with age, challenging the idea...

Acute myeloid leukemia (AML) is a fast-moving blood cancer in which immature myeloid cells accumulate in the bone marrow and crowd out the normal cells...

A previously underappreciated protein in the cells lining blood vessels may hold the key to how the brain builds and maintains its protective vascular system....

A reaction long regarded as one of synthetic chemistry’s most stubborn challenges has moved closer to practical use. In a study published in Nature Catalysis,...

A previously unrecognized layer of genome organization has been identified in the mammalian brain, where exceptionally long genes and the enormous enhancers that regulate them...

Scientists have identified a molecular organizer that helps connect distant regulatory regions of the genome with the genes they control, solving a longstanding question about...

A Hidden Climate Threat Is Putting Range-Shifting Species at Greater Risk of Extinction Species are moving as the climate changes, but the tools used to...

For decades, medicine has relied on a deceptively simple assumption: that many measurements in the blood remain relatively stable within each person. A cholesterol value,...

Crohn’s disease is often described as an immune disorder, but a new study suggests that the cells forming the body’s connective-tissue framework may be just...

Scientists have developed an mRNA delivery system that can generate functional chimeric antigen receptor (CAR) T cells inside the body without requiring antibody targeting or...

Researchers have introduced a synthetic “cell” platform designed to do something conventional biomaterials and biochemical assays have struggled to achieve: reproduce the mechanical, chemical and...

Sodium-ion batteries have long been viewed as a promising alternative to lithium-ion technology, particularly for applications where low cost, abundant raw materials and large-scale energy...

Quantum computers may eventually transform the study of molecules, magnetic materials and strongly interacting particles, but one obstacle stands between today’s hardware and many of...

For decades, scientists have searched for ways to measure the tiny forces generated by living cells without disturbing the very behaviors they want to observe....

Wearable health monitors have become increasingly sophisticated at measuring heart rate, blood oxygenation and other physiological signals, yet one important source of uncertainty has remained...