Asteroid the size of 3 million elephants zooms past Earth
A big asteroid zoomed past Earth and the moon early Dec. 4, setting it up for another close pass in 2028.
from Space https://ift.tt/FIUWvK5
from Space https://ift.tt/FIUWvK5
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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