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A record-breaking 515-mile lightning flash highlights nature's power, while a 'sleeping giant' fault in Canada threatens a major quake, underscoring Earth's unpredictable forces.

Experimental HIV vaccines show promise in early safety test

Live ScienceWednesday, July 30, 2025 at 9:40:00 PM
PositiveScienceMedical Breakthroughs
Experimental HIV vaccines show promise in early safety test
Scientists are making headway in the fight against HIV with experimental vaccines that have shown encouraging results in both animal tests and early human safety trials. While it’s still early days, these findings suggest we might be one step closer to a viable vaccine—a long-elusive goal in the battle against the virus.
Editor’s Note: HIV has been a notoriously tough virus to tackle with a vaccine, so any progress here is a big deal. If these early results hold up in further testing, it could eventually lead to a tool that prevents infections and reduces the global burden of HIV/AIDS. For now, cautious optimism is warranted—but it’s a hopeful sign.
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