Seals give birth only when conditions are right. After mating, a female seal can delay implantation of the embryo in the uterine wall-pausing pregnancy until she senses that her fat reserves are ...
Is there an Outer SpaceX? With 3I/ATLAS set to fly by Earth in just over a week, experts continue to speculate over its origins. Harvard Scientist Avi Loeb believes that if aliens, the comet wouldn’t ...
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