Washington Post: Despite recent optimism that the high-level talks between Iran and the US, Russia, China, the UK, France, and Germany would result in Iran abandoning plans to enrich uranium above 20%, the talks have been suspended, says European Union foreign policy chief Catherine Ashton. The sticking point was Iran’s insistence that UN sanctions on it be relaxed before negotiations could continue. A low-level technical meeting on 3 July may restart the talks, if enough common ground can be found between the opposing parties. Under the Nuclear Nonproliferation Treaty, Iran is well within its rights to enrich uranium, but the secretive way the country has hid its facilities from the International Atomic Energy Agency has raised suspicions about its long-term motives.
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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