BBC: Iran’s president, Mahmoud Ahmadinejad, has publicly unveiled the country’s latest weapon:a pilotless bomber called Karrar. Each Karrar, the president said, can fly 1000 km, carry a payload of 230 kg, and serve as a messenger of death. However, its key message, he added, was one of friendship. A few days ago Iran began loading Bushehr nuclear reactor with uranium. The reactor project, which got its start 35 years ago, is widely regarded as civilian.
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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