Telescopes on Amazon: Best Black Friday deals
There are heaps of telescopes on Amazon, many of which are discounted as part of the Black Friday sales.
from Space.com https://ift.tt/3Cy9BV7
from Space.com https://ift.tt/3Cy9BV7
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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