New York Times: Congressman Edward Markey (D-MA) has complained to the Nuclear Regulatory Commission that its radiation safety rules are less stringent for human patients than they are for animal patients. At issue is the in-patient recovery time for people and pets who receive radiation therapy for thyroid disease. During and after the treatment, the patients emit radioactivity, which can be harmful to children and pregnant women. Whereas pets are required to stay at the animal hospital for several days, humans are dismissed on the day of the treatment—even though they typically receive much higher radiation doses than pets do.
The finding that the Saturnian moon may host layers of icy slush instead of a global ocean could change how planetary scientists think about other icy moons as well.
Modeling the shapes of tree branches, neurons, and blood vessels is a thorny problem, but researchers have just discovered that much of the math has already been done.
January 29, 2026 12:52 PM
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