The autonomous, deep-sea Benthic Rover II, engineered by researchers at the Monterey Bay Aquarium Research Institute (MBARI), trawls a desolate surface too-this one 4,000 meters below the surface of the ocean, on a cold abyssal plain, under the crushing weight of 6,000 pounds per square inch of pressure. Take Mars, for instance, where the steadfast rolling science labs of Perseverance and Curiosity-and the half dozen robotic rovers before them-slowly examine the geology of the Red Planet for signs of past habitability. Mars Rover, Move Over: Making A Rover To Explore The Deep Sea When you hear the word 'rover,' it's likely your brain imagines another planet.
Chih-Kuan Tung, associate professor of physics at North Carolina Agricultural and Technical State University about his research on sperm motility, and how it could improve infertility testing in the future. The faster the flow, the more likely the sperm were to band together to swim upstream. The intensity of the flow of this mucus-like fluid influenced how well the sperm clustered together. Researchers created a device that has some of the features of a female reproductive tract, which they tested using a polymer substance that mimics cervical mucus. But a new study, using cow sperm, suggests that sperm might actually swim together, forming clusters to help each other swim upstream to reach the egg. The predominant theory is that sperm compete against each other, with the strongest swimmer fertilizing the egg.
SeptemUndersea Rovers, Swimming Sperm, Teen Inventor, Soil Judging.
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