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Chris Hadfield
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DNA shows Scythian warrior mummy was a 13-year-old girl

Thanks to modern technology, we can reexamine our assumptions about ancient warriors.

Dr. Vladimir Semyonov
  • The 2600-year-old remains of a young Scythian warrior are now known to be female.
  • The young warrior appears to have been around 13 years old when she died.
  • The findings shed light on the Scythian culture.
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Meet the ancestry test that can help you live a healthier life

Discover your ancestry and reach your health goals with actionable diet and exercise plans based on your DNA.

Photo by Dane Wetton on Unsplash
  • Vitagene offers ancestry details and a full DNA analysis of your health and dietary needs.
  • Vitagene findings offer food choices, supplement recommendations and workout routines tailored specifically to you.
  • The Vitagene DNA Premium Test Kit is now $40 off, just $99.99.
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The secret to regeneration? Scientists say it lies in the axolotl genome.

Researchers have recently discovered two of the genes that govern this weird-looking salamander's ability to regenerate limbs, eyes, and even its brain.

FRANCOIS GUILLOT/AFP via Getty Images
  • All salamanders are gifted at regeneration, but the axolotl takes this capability to the extreme.
  • In addition to growing back its limbs, axolotl can grow back organs like their eyes and even their brains.
  • Research on how they do this has been slow due to the creature's massive genome, but scientists recently uncovered two genes that play an important role.
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Four reasons not to run a marathon

If your New Year's resolution was to get in shape, signing up for the marathon is a bad way to go about it.

Photo Credit: Quinn Rooney / Staff / Getty Images
  • Marathons gained popularity over the last decade. In 2018, 456,700 Americans completed a marathon, an 11 percent increase in participation from 2008.
  • Training for and racing 26.2 miles has been shown to have adverse effects on the heart, such as plaque buildup in the arteries and inflammation.
  • Running too much can lead to chronically increased cortisol levels, resulting in weight gain, fatigue, and lower immune function.
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Tom Björklund
  • Researchers recently uncovered a piece of chewed-on birch pitch in an archaeological dig in Denmark.
  • Conducting a genetic analysis of the material left in the birch pitch offered a plethora of insights into the individual who last chewed it.
  • The gum-chewer has been dubbed Lola. She lived 5,700 years ago; and she had dark skin, dark hair, and blue eyes.
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