ENN: The US Environmental Protection Agency has some suggestions on how we can save energy this summer, and reduce our emissions of Green House Gasses. The energy used in an average home costs more than $2,200 a year and contributes more greenhouse gas emissions than a typical car. Looking at the Energy Star ratings on home appliances, cooling equipment, computers and entertainment devices can, collectively, make a large difference.
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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