The Orionid meteor shower peaks this week! Here's what to expect.
It's an excellent year to view the Orionids, which peak before dawn on Wednesday (Oct. 21).
from Space.com https://ift.tt/37iGTLK
from Space.com https://ift.tt/37iGTLK
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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