Pesky 'leap second' will be abolished by 2035
An international group of experts has voted to retire the leap second by 2035.
from Space https://ift.tt/qL0ky9M
from Space https://ift.tt/qL0ky9M
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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