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New research finds we were looking at sperm all wrong. For 350 years, scientists believed sperm wiggled their tails side-by-side to create a whip-like motion. Using 3D technology, a study found sperm actually move by rolling around and spinning their heads like tops.

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When Dr. Ido from Jurassic Park said, “Your scientists were so preoccupied with whether they could, they didn’t stop to think if they should,” he was referring to reviving the dinosaurs. On a grander scale, he was talking about the lines people were willing to cross for the sake of science.  Manipulating the…

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Scientists injected the herpes-simplex virus type 1, the strain that causes cold sores, into brain tissue and found that it caused the brain to look and act like an Alzheimer’s brain. Injecting an antiviral drug was successful in reducing the spread of herpes infection and brain damage.

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Having trouble getting pregnant? Scientists have discovered a new reason behind unexplained infertility. After sex, female eggs send out chemical signals for sperm to approach or stay away. Researchers found that female eggs show no preference for their partner’s sperm compared to a random stranger.

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Sleep provides a lot of health benefits, but scientists are still scratching their heads on how to get people to sleep more. A study on worms found that problems with the kin-29 gene, similar to a sleep gene in humans, was linked to low energy levels, excess fat, and trouble sleeping. Metabolizing body fat helped to…

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On Earth, gravity moves the fluids in our body downward from our head to our feet. But, the lack of gravity in space can cause an increased fluid build-up in our head. Scientists have found that spending a long time in space expands the size and volume of fluid in the brain, leading to long-term health problems.