1. One report on car-free Tempe, AZ.
2. Speculative new claims about human evolution.
3. Is dark energy evolving? And from WaPo — the universe might stop expanding, big if true.
4. Indian painting sets new auction record at $13.7 million.
5. Update on Ukrainian defenses and drones.
6. Understanding solar energy.
7. Claude can now search the web.
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