Ancient, engraved stones may have been buried to summon the sun
A trove of engraved stones unearthed from ritual gathering sites on Bornholm, an island in Denmark, display motifs that most commonly represent the sun and croplike plants.
‘Reanimated’ herpes viruses lurking in the brain may link concussions and dementia
What's new here is that the researchers have demonstrated that physical injury can activate latent viruses in the brain, said Dr. Gorazd Stokin, who leads a neuroscience lab at the Institute of Molecular and Translational Medicine in the Czech Republic and was not involved in the new study.
Scientists Say: Frost Quake
Frost quakes happen when water from rainfall, snowmelt or flooding soaks into the ground, filling all available spaces.
Python 12×52 Range Master Ultra HD Monocular review
The Rangemaster's performance for birdwatching was also impressive, offering 12x magnification, which provided detailed views of nesting geese, and clear images at distances where lower-quality optics would have struggled.
Situs inversus: The condition where your organs are on the ‘wrong’ side
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Potentially habitable planet TRAPPIST-1b may have a carbon dioxide-rich atmosphere
That haze, the researchers say, causes the planet's upper atmosphere to be hotter than the layers below, creating an environment where carbon dioxide emits light rather than absorbing it, which could explain the lack of an expected dip in previous observations.
Why is fluoride added to drinking water?
"Fluoride was found to significantly reduce tooth decay," Neil Maniar, a professor of public health practice at Northeastern University, told Live Science in an email.
The spread of breast cancer may be inherited
In a large study in Sweden, people who inherited two copies of the spread-associated variant have a 22 percent risk of developing metastasis within 15 years of their original diagnosis, the researchers found.