Science and Technology Current Affairs December 2016

NASA Developed Electroactive Bandages for Wound Healing

  • The NASA developed a new high-tech material that uses electricity to significantly promote healing of injured wounds on October 11,2016.
  • In conditions of non-Earth gravity, human blood displays behavior quite different from that on Earth.
  • Wounds are likely to heal much more slowly and considering the survival risks and the cost of space missions, healing wounds as fast as possible is crucial.
  • The new material generates a small amount of electricity when interacting with another surface, including human skin.
  • The material, called PolyVinyliDene Fluoride (PVDF), has numerous possible applications, including wound healing.

Great Balls of Fire Detected

  • The Great Balls of Fire (GBF) are mysterious, super-hot blobs of gas which were detected by the Hubble Space Telescope on October 10, 2016.
  • Each as massive as planet Mars and zooming so fast through space that they would travel from earth to the moon in 30 minutes, the GBF have continued once every 8.5 years for at least the past 400 years.
  • The gas balls were observed near a red giant called V Hydrae, about 1200 light years away from Earth. Red giants are stars that are nearing the end of their fuel supplies and have begun to puff up and expand.

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HEALTH & NUTRITION CURRENT AFFAIRS

World’s First Three-parent Baby Born in Mexico

  • The world’s first child with genes from three people was born to a Jordanian couple. The baby was delivered in Mexico as there are no laws in the country that could block the revolutionary technique. The news came up on September 29, 2016.
  • John Zhang, who lead the medical team from New York City’s New Hope Fertility Center, explained that they removed the nucleus from one of his mother’s eggs, which was later inserted into a donor egg that had its nucleus removed. This ‘egg’ was then fertilized with sperm from the father.
  • The boy was bom through a technique called* spindle nuclear transfer. Zhang’s team used this approach to create five embryos, only one of which developed normally. This embryo was implanted in the mother and the child was bom nine months later.
Updated: December 4, 2016 — 9:17 pm

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