The Scientist

The Scientist

[:es]Human Cells Can Synthesize DNA in Their Cytoplasm[:]

[:es]While studying a degenerative eye disease, researchers find the first evidence that cells produce endogenous DNA in the cytoplasm. Drugs that block this activity are linked with reduced risk of […]
The Scientist

[:es]Reduced Adult Neurogenesis Linked with Alzheimer’s Disease[:]

[:es]Manipulating the production of new neurons can improve cognition in animal models of the disease, raising the possibility that figuring out a way for humans to make more neurons could […]
The Scientist

[:es]A Guide to Emerging SARS-CoV-2 Variants[:]

[:es]Scientists across the world are closely tracking the spread of mutations in the coronavirus and investigating whether they could render current vaccines less effective.[:]
The Scientist

[:es]Identical Twins Accumulate Genetic Differences in the Womb[:]

[:es]DNA replication errors during cell division cause monozygotic twins to diverge from each other even during the earliest stages of development, a new study finds.[:]
The Scientist

[:es]Scientists Engineer Dreams to Understand the Sleeping Brain[:]

[:es]Technologies such as noninvasive brain stimulation and virtual reality gaming offer insights into how dreams arise and what functions they might serve.[:]
The Scientist

[:es]Zebra Finches Recognize the Calls of Over 40 Fellow Finches[:]

[:es]Their ability to distinguish between individuals is strong evidence for fast mapping, a learning tool generally thought to belong only to humans. [:]
The Scientist

[:es]Electric and Magnetic Field Treatments Lower Mouse Blood Sugar[:]

[:es]The effects seem to be mediated by a reactive oxygen species in the animals’ livers.[:]
The Scientist

[:es]Curiosity and Hunger Are Driven by the Same Brain Regions[:]

[:es]Researchers tease out the effects of the two cravings by having participants gamble for the chance to satisfy them.[:]
The Scientist

[:es]Brain Circuitry for Fear and Anxiety Is the Same on fMRI[:]

[:es]A study in people fails to detect differences in the brain’s response to fear or anxiety, long thought to be controlled by different neural circuits.[:]