Dark centre? A simulated version of the Milky Way galaxy. (Courtesy: AIP/ A. Khalatyan) Astronomers have long puzzled over the cause of a mysterious “glow” of very high energy gamma radiation ...
Highlands, North Carolina — In the North Carolina town of Highlands, about 20 feet below ground in a goldmine from the 1800s, there is a race against time to save a bat population whose numbers are ...
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