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Evolving dark energy, phone ban at school, buying vs. leasing cars

It's been a busy day. Here's what you might have missed. Wednesday, April 2, 2025 View in browser     By Daniel Wine and Morgan Severson Should you buy or lease a car now? That's what many Americans are contemplating before hefty tariffs go into effect. This is what you need to know .   Here's what else you might have missed during your busy day. Trails of stars after an hour-long exposure above Kitt Peak National Observatory in Arizona. KPNO/NOIRLab/NSF/AURA/B. Tafresh Dark energy New hints from one of the most extensive surveys of the cosmos to date suggest that the mysterious force that accelerates the expansion of the universe may be evolving. One contributor to the project called it "mind-blowing," and it could have big impacts for astronomers.  'It was so freeing' A pilot program at a Virginia high school requires students to put thei...