NASA's Perseverance Mars rover has made oxygen 7 times in exploration milestone
Think of the MOXIE instrument as a small tree, breathing carbon dioxide in and oxygen out.
from Space https://ift.tt/bLx2eOQ
from Space https://ift.tt/bLx2eOQ
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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