Archive for March 19th, 2020

High-speed microscope captures fleeting brain signals

Neuroscientists can now capture millisecond electrical changes in neurons in the cortex of an alert mouse, allowing tracing of neural signals, including subthreshold events, in the brain. The new technique combines all-optical scanning with two-photon fluorescence imaging to produce a 2D rasterized picture every 1,000-3,000 milliseconds. That and another technique that allows 3D imaging of […]

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Global human genomes reveal rich genetic diversity shaped by complex evolutionary history

A new study has provided the most comprehensive analysis of human genetic diversity to date, after the sequencing of 929 human genomes. The study uncovers a large amount of previously undescribed genetic variation and provides new insights into our evolutionary past, highlighting the complexity of the process through which our ancestors diversified, migrated and mixed […]

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Understanding how COVID-19 affects children vital to slowing pandemic, doctors say

Though COVID-19 so far appears to be largely sparing children, researchers are cautioning that it is critical to understand how the virus affects kids to model the pandemic accurately, limit the disease’s spread and ensure the youngest patients get the care they need. Source: Understanding how COVID-19 affects children vital to slowing pandemic, doctors say

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Public health leadership paramount to emerging coronavirus pandemic

In the 1960s, public health officials led the US and worldwide efforts that resulted in smallpox becoming the first human disease ever eradicated from the face of the earth. Researchers say appropriate concerns and not fear should play a major role in the emerging coronavirus pandemic, and public health efforts should focus on public health […]

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