Across North America, researchers are sounding the alarm: social media use among teenagers is linked to rising rates of anxiety, depression, and even suicidal thoughts. Why are teens struggling, and what can be done?

We live in a world where our phones buzz before we even open our eyes. Somewhere along the way, technology shifted from being a helpful tool to feeling like a demanding presence in our lives.

Two scientists wagered $500 million on the future of human lifespan—will people live to 150 by 2150, or will the limit remain at 130? The bet, still active today, could shape how we view aging, science, and the future of humanity.