Losing Arecibo Observatory would create a hole that can't be filled, scientists say
Arecibo Observatory is facing a mid-life crisis — or something much worse.
from Space.com https://ift.tt/3ffdW5q
from Space.com https://ift.tt/3ffdW5q
New method to detect and visualize sperm cells recovered from forensic evidence
One of the most valuable forms of forensic evidence in cases of male-perpetrated sexual assault is the presence of semen, either in the form of stains left behind on items or on swabs collected from victims after an offense. To confirm that semen is present, suspected stains are examined under a microscope to see if any sperm cells are visible. from Phys.org - latest science and technology news stories https://ift.tt/2XBwacB
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