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Earlier this year, a surgical resident was paged to the emergency room to evaluate a man with an angry mass bulging beneath his chin.
Dr. Habib Zalzal half race-walked, half ran to find a panting 40-year-old in obvious distress. In addition to an infection, the man had a choked, high-pitched voice, an elevated tongue, a swollen neck, and a drool. “Please help me,” read the panicked look on his face.
In his patient’s eyes, Dr. Zalzal also saw ...read more
The grassy Eurasian steppes cover thousands of miles, from northwestern China to Hungary, creating what one researcher calls a “highway” for cultural exchange and conquest. (Credit Wikimedia Commons)
A trio of new studies, two in Nature and the third in Science, analyzed genetic material from scores of ancient humans to create a new map of human movement, as well as the spread of language, the hepatitis B virus and horse domestication, across the sprawling Eurasian steppes ...read more
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On a basic level, it seems that most of the universe can be divided into two kinds of big objects: stars and planets.
A star is a massive ball of burning gas whose main function is fusing hydrogen into helium. They are formed by huge clouds of gas that eventually come together in sufficient quantities to kick off nuclear reactions.
Planets, in turn, come from the material left around the star after its formation. They form from small bits that clump together ...read more
The new report from the National Advisory Council for Environmental Policy and Technology (NACEPT) is out: “Information to Action: Strengthening EPA Citizen Science Partnerships for Environmental Protection.” This report is a follow-up to the Council’s first report, “Environmental Protection Belongs to the People.”
There are ten recommendations to the EPA in the report(s). As articulated on the EPA’s website: The Council’s April 2018 report, Information ...read more
Author Vishay SinghPosted on Categories Discover Magazine
