Nature: China’s premier Wen Jiabao announced on Saturday that China would aim to cut its energy intensity (carbon emission per unit of GDP) by 16% within five years. The target is ambitious. At the same venue, the annual Communist Party congress in Beijing, Wen also pledged that China would end poverty and continue to grow its economy at a rate of 7% per year. To reduce its use of fossil fuels, China must not only shift to low-carbon technologies, but also raise the efficiency with which it uses all forms of energy.
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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